Factors of 676

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What are the Factors of 676?

Answer

Factors of 676:

1, 2, 4, 13, 26, 52, 169, 338, 676

9 factors · 676 = 2² × 13² · composite

Underlined — prime: 2, 13 · 1 — neither prime nor composite · others — composite

Factor pairs of 676

5 pairs: 1 × 676 · 2 × 338 · 4 × 169 · 13 × 52 · 26 × 26

26 × 26 is a pair of one factor — that is why 676 has an odd number of factors, 9.

676 = 2² × 13² → (2 + 1) × (2 + 1) = 9 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
661	1, 661
662	1, 2, 331, 662
663	1, 3, 13, 17, 39, 51, 221, 663
664	1, 2, 4, 8, 83, 166, 332, 664
665	1, 5, 7, 19, 35, 95, 133, 665
666	1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666
667	1, 23, 29, 667
668	1, 2, 4, 167, 334, 668
669	1, 3, 223, 669
670	1, 2, 5, 10, 67, 134, 335, 670
671	1, 11, 61, 671
672	1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672
673	1, 673
674	1, 2, 337, 674
675	1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675
676	1, 2, 4, 13, 26, 52, 169, 338, 676
677	1, 677
678	1, 2, 3, 6, 113, 226, 339, 678
679	1, 7, 97, 679
680	1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
681	1, 3, 227, 681
682	1, 2, 11, 22, 31, 62, 341, 682
683	1, 683
684	1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684
685	1, 5, 137, 685
686	1, 2, 7, 14, 49, 98, 343, 686
687	1, 3, 229, 687
688	1, 2, 4, 8, 16, 43, 86, 172, 344, 688
689	1, 13, 53, 689
690	1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690

FAQ

What are the Factors of 676?

Factors of 676: 1, 2, 4, 13, 26, 52, 169, 338, 676

How many factors does 676 have?

Number 676 has 9 factors

How many Factor Pairs does 676 have?

Number 676 has 5 factor pairs

Is 676 a prime or composite number?

Composite: 676 = 2² × 13², so it has 9 factors — a prime has exactly two.

How many factors does 676 have excluding 1 and 676?

7: 2, 4, 13, 26, 52, 169 and 338.

Why does 676 have an odd number of factors?

676 is a perfect square: in the pair 26 × 26 the factor 26 pairs with itself, so the 9 factors are 4 pairs plus 26.