No, 80 is composite.
it is divisible by 1, 2, 4, 5, 8, 10, 20, 40, and 80
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The only number that equals 80 is 80, and it's not a prime number.
The prime numbers (factors) of 80 are: 2 and 5
The first prime number after 80 is 83.
Prime factorization of 540 = 2x2x3x3x3x5 Prime factorization of 80 = 2x2x2x2x5
The prime power factorization of 80 is 24 x 5.