Factors of 64

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What are the Factors of 64?

Answer

Factors of 64:

1, 2, 4, 8, 16, 32, 64

7 factors · 64 = 2⁶ · composite

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

Factor pairs of 64

4 pairs: 1 × 64 · 2 × 32 · 4 × 16 · 8 × 8

8 × 8 is a pair of one factor — that is why 64 has an odd number of factors, 7.

64 = 2⁶ → (6 + 1) = 7 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
49	1, 7, 49
50	1, 2, 5, 10, 25, 50
51	1, 3, 17, 51
52	1, 2, 4, 13, 26, 52
53	1, 53
54	1, 2, 3, 6, 9, 18, 27, 54
55	1, 5, 11, 55
56	1, 2, 4, 7, 8, 14, 28, 56
57	1, 3, 19, 57
58	1, 2, 29, 58
59	1, 59
60	1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
61	1, 61
62	1, 2, 31, 62
63	1, 3, 7, 9, 21, 63
64	1, 2, 4, 8, 16, 32, 64
65	1, 5, 13, 65
66	1, 2, 3, 6, 11, 22, 33, 66
67	1, 67
68	1, 2, 4, 17, 34, 68
69	1, 3, 23, 69
70	1, 2, 5, 7, 10, 14, 35, 70
71	1, 71
72	1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
73	1, 73
74	1, 2, 37, 74
75	1, 3, 5, 15, 25, 75
76	1, 2, 4, 19, 38, 76
77	1, 7, 11, 77
78	1, 2, 3, 6, 13, 26, 39, 78

FAQ

What are the Factors of 64?

Factors of 64: 1, 2, 4, 8, 16, 32, 64

How many factors does 64 have?

Number 64 has 7 factors

How many Factor Pairs does 64 have?

Number 64 has 4 factor pairs

Is 64 a prime or composite number?

Composite: 64 = 2⁶, so it has 7 factors — a prime has exactly two.

How many factors does 64 have excluding 1 and 64?

5: 2, 4, 8, 16 and 32.

Why does 64 have an odd number of factors?

64 is a perfect square: in the pair 8 × 8 the factor 8 pairs with itself, so the 7 factors are 3 pairs plus 8.