Factors of 64

The factors of 64 are 1, 2, 4, 8, 16, 32 and 64. That is 7 factors in total.

A factor of 64 is a whole number that divides 64 exactly, with no remainder. 64 is a composite number because it has factors other than 1 and itself.

Factor pairs of 64

Two numbers that multiply to give 64:

1 × 64 = 64
2 × 32 = 64
4 × 16 = 64
8 × 8 = 64

Prime factorization of 64

64 = 2 × 2 × 2 × 2 × 2 × 2 = 2⁶. The prime factors of 64 are 2.

Quick facts about 64

Is 64 prime? No.
Even or odd: even.
Sum of its factors: 1 + 2 + 4 + 8 + 16 + 32 + 64 = 127.
64 is a perfect square (8 × 8), so it has an odd number of factors.

Factors of nearby numbers

Number	Factors
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
65	1, 5, 13, 65
66	1, 2, 3, 6, 11, 22, 33, 66
67	1, 67
68	1, 2, 4, 17, 34, 68

More about 64: 64 squared · square root of 64 · 64 in binary · 64 in Roman numerals.

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