Factors of 784

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What are the Factors of 784?

Answer

Factors of 784:

1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784

15 factors · 784 = 2⁴ × 7² · composite

Underlined — prime: 2, 7 · 1 — neither prime nor composite · others — composite

Factor pairs of 784

1 × 784
2 × 392
4 × 196
7 × 112
8 × 98
14 × 56
16 × 49
28 × 28

28 × 28 is a pair of one factor — that is why 784 has an odd number of factors, 15.

784 = 2⁴ × 7² → (4 + 1) × (2 + 1) = 15 factors: add 1 to each exponent and multiply.

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See Also

Prime Number Checker - Find out whether a given number is Prime or not
Prime Factorization - Prime Factorization Calculator
Prime Numbers List - List of all Prime Numbers - how many Prime numbers are between

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Factors Table

Number	Factors
769	1, 769
770	1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770
771	1, 3, 257, 771
772	1, 2, 4, 193, 386, 772
773	1, 773
774	1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774
775	1, 5, 25, 31, 155, 775
776	1, 2, 4, 8, 97, 194, 388, 776
777	1, 3, 7, 21, 37, 111, 259, 777
778	1, 2, 389, 778
779	1, 19, 41, 779
780	1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
781	1, 11, 71, 781
782	1, 2, 17, 23, 34, 46, 391, 782
783	1, 3, 9, 27, 29, 87, 261, 783
784	1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
785	1, 5, 157, 785
786	1, 2, 3, 6, 131, 262, 393, 786
787	1, 787
788	1, 2, 4, 197, 394, 788
789	1, 3, 263, 789
790	1, 2, 5, 10, 79, 158, 395, 790
791	1, 7, 113, 791
792	1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792
793	1, 13, 61, 793
794	1, 2, 397, 794
795	1, 3, 5, 15, 53, 159, 265, 795
796	1, 2, 4, 199, 398, 796
797	1, 797
798	1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798

FAQ

What are the Factors of 784?

Factors of 784: 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784

How many factors does 784 have?

Number 784 has 15 factors

How many Factor Pairs does 784 have?

Number 784 has 8 factor pairs

Is 784 a prime or composite number?

Composite: 784 = 2⁴ × 7², so it has 15 factors — a prime has exactly two.

How many factors does 784 have excluding 1 and 784?

13: 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196 and 392.

Why does 784 have an odd number of factors?

784 is a perfect square: in the pair 28 × 28 the factor 28 pairs with itself, so the 15 factors are 7 pairs plus 28.