MathQuarryCalculators

Primes / Is 143 prime?

Is 143 a Prime Number?

No143 = 11 x 13

143 is NOT prime: 11 × 13 = 143. That makes 11 a genuine divisor of 143 beyond 1 and 143 itself. Fully broken down, 143 = 11 × 13, for 4 divisors total. 143 sits between primes 139 and 149, 4 below and 6 above. 143: 11 divide 143 evenly, checked against 2-12. 143 is odd, digit sum 8 for 143, digital root 8 for 143. 143 has 4 primes within 10 of 143.

Factors
1, 11, 13, 143
Number of factors
4
Prime?
No
Prime factorization
11 x 13
Even or odd
Odd
Square
20449
Cube
2924207
Binary
10001111
Hexadecimal
8F
Roman numeral
CXLIII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Full facts for 143 →Factors of 143 →