MathQuarryCalculators

Primes / Is 80 prime?

Is 80 a Prime Number?

No80 = 2^4 x 5

80 is NOT prime: 2 × 40 = 80. That makes 2 a genuine divisor of 80 beyond 1 and 80 itself. Fully broken down, 80 = 2^4 × 5, for 10 divisors total. 80 sits between primes 79 and 83, 1 below and 3 above. 80: 2, 4, 5, 8, 10 divide 80 evenly, checked against 2-12. 80 is even, digit sum 8 for 80, digital root 8 for 80. 80 has 5 primes within 10 of 80.

Factors
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Number of factors
10
Prime?
No
Prime factorization
2^4 x 5
Even or odd
Even
Square
6400
Cube
512000
Binary
1010000
Hexadecimal
50
Roman numeral
LXXX
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Full facts for 80 →Factors of 80 →