77 is a composite number; it has factors other than 1 and itself. It is not a Prime number.
The four factors of 77 are 1, 7, 11, and 77.
The factor pairs of 77 are 1 x 77 and 7 x 11.
The proper factors of 77 are 1, 7, and 11 or,
if the definition you are using excludes 1, they are 7 and 11.
The prime factors of 77 are 7 and 11.
The 2 distinct prime factors of 77 are also 7 and 11, since there is no repetition of factors.
The prime factorization of 77 is 7 x 11.
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