Number dictionary · Exact arithmetic

744: factors and number facts

seven hundred forty-four is an even number and is composite. Its 16 positive divisors form 8 factor pairs.

Number JD Editorial Team · Updated 2026-10-08

In words
seven hundred forty-four
Roman numeral
DCCXLIV
Prime factorization
2^3 × 3 × 31
Digital root
6

All factors of 744

A positive factor divides 744 with no remainder. In ascending order, the complete list is:

1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744

Factor pairs

  • 1 × 744 = 744
  • 2 × 372 = 744
  • 3 × 248 = 744
  • 4 × 186 = 744
  • 6 × 124 = 744
  • 8 × 93 = 744
  • 12 × 62 = 744
  • 24 × 31 = 744

Each pair describes an arrangement of 744 items into equal rows. The pairs have different row and column counts; 744 cannot make a square array of whole items.

Divisor totals

Positive divisors
16
Sum of all divisors
1920
Sum excluding 744
1176
Classification
abundant

744 is abundant because its proper divisors add to 1176, which is greater than 744.

Understand factors and multiples

Prime factorization of 744

744 = 2^3 × 3 × 31

Repeated division, step by step

  1. 744 ÷ 2 = 372
  2. 372 ÷ 2 = 186
  3. 186 ÷ 2 = 93
  4. 93 ÷ 3 = 31
  5. 31 ÷ 31 = 1

Multiply the prime divisors in these steps to reconstruct 744. An exponent records how many times the same prime occurs. The divisor-count calculation is (3 + 1) × (1 + 1) × (1 + 1) = 16.

The preceding prime is 743. The next larger prime is 751. The factor list above explains why 744 is composite.

Learn the factorization method

744 in words, Roman numerals and other bases

Equivalent representations of the integer 744
RepresentationValue
English (US style)seven hundred forty-four
Roman numeralDCCXLIV
Binary (base 2)1011101000
Octal (base 8)1350
Decimal (base 10)744
Hexadecimal (base 16)2E8

Check the binary conversion

Read 1011101000 from right to left using place values 1, 2, 4, 8 and successive powers of two. Keep the values whose bit is 1:

512 + 128 + 64 + 32 + 8 = 744

Check the hexadecimal conversion

2 × 16^2 + 14 × 16^1 + 8 × 16^0 = 744

Hexadecimal uses A through F for digit values 10 through 15. These notations represent the same quantity; changing the base does not change the integer.

Square, cube and square root of 744

744 squared
744 × 744 = 553,536
744 cubed
744 × 744 × 744 = 411,830,784
Square root
≈ 27.276363
Simplified radical
2√186

744 lies between 729 (27²) and 784 (28²), so it is not a perfect square. It is not a perfect cube.

744 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 744.

Distinguish a square from a square root

Multiplication table for 744

These are the first twelve positive multiples. Unlike the finite factor list, the sequence of multiples continues without an upper limit.

744 × 1744
744 × 21,488
744 × 32,232
744 × 42,976
744 × 53,720
744 × 64,464
744 × 75,208
744 × 85,952
744 × 96,696
744 × 107,440
744 × 118,184
744 × 128,928

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
23720Yes
32480Yes
41860Yes
51484No
61240Yes
71062No
8930Yes
9826No
10744No
11677No
12620Yes

For example, 744 = 7 × 106 + 2. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 744

744 contains 3 decimal digits. Its digit sum is 7 + 4 + 4 = 15.

  1. 744: 7 + 4 + 4 = 15
  2. 15: 1 + 5 = 6

The digital root is 6. Reversing its digits gives 447; it is not a decimal palindrome. Digit patterns depend on the notation being used.

Digital-root arithmetic always finishes at a single digit for a positive integer. Some numerology methods stop at 11, 22 or 33 instead; that is a separate interpretive convention.

Fractions and a worked comparison

As a fraction of 100, 744/100 simplifies to 186/25 by dividing both terms by their greatest common divisor, 4. Its decimal value is 7.44. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 744 and 12 is 12. Their least common multiple is 744. The identity GCD × LCM = 744 × 12 = 8928 checks both results.

Work through GCF and LCM

Questions about 744

What are the factors of 744?

The positive factors are 1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744. There are 16 factors, including 1 and 744.

Is 744 a prime number?

No. 744 is composite: 2^3 × 3 × 31 = 744.

How do you write 744 in Roman numerals?

744 is DCCXLIV in standard subtractive Roman numeral notation.

What is the binary representation of 744?

744 in decimal is 1011101000 in base 2. Adding its active place values gives 512 + 128 + 64 + 32 + 8 = 744.

Methods and reference definitions

Number JD calculates each result from the integer on this page. Positive factors are enumerated in pairs; repeated division gives the prime factorization; place values verify base conversions. Decimal square roots are rounded to six places when irrational.

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A reflective note on 744

Meaning varies by tradition and personal experience. One sighting is not evidence of what will happen next.

The digits of 744 add to 15. That arithmetic result is separate from the cultural symbolism of the pattern. If this number matters to you, write down what you noticed and choose one grounded action rather than treating the sighting as a prediction.