MathQuarryCalculators

Primes / Is 126 prime?

Is 126 a Prime Number?

No126 = 2 x 3^2 x 7

126 is NOT prime: 2 × 63 = 126. That makes 2 a genuine divisor of 126 beyond 1 and 126 itself. Fully broken down, 126 = 2 × 3^2 × 7, for 12 divisors total. 126 sits between primes 113 and 127, 13 below and 1 above. 126: 2, 3, 6, 7, 9 divide 126 evenly, checked against 2-12. 126 is even, digit sum 9 for 126, digital root 9 for 126. 126 has 2 primes within 10 of 126.

Factors
1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
Number of factors
12
Prime?
No
Prime factorization
2 x 3^2 x 7
Even or odd
Even
Square
15876
Cube
2000376
Binary
1111110
Hexadecimal
7E
Roman numeral
CXXVI
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Full facts for 126 →Factors of 126 →