MathQuarryCalculators

Primes / Is 245 prime?

Is 245 a Prime Number?

No245 = 5 x 7^2

245 is NOT prime: 5 × 49 = 245. That makes 5 a genuine divisor of 245 beyond 1 and 245 itself. Fully broken down, 245 = 5 × 7^2, for 6 divisors total. 245 sits between primes 241 and 251, 4 below and 6 above. 245: 5, 7 divide 245 evenly, checked against 2-12. 245 is odd, digit sum 11 for 245, digital root 2 for 245. 245 has 3 primes within 10 of 245.

Factors
1, 5, 7, 35, 49, 245
Number of factors
6
Prime?
No
Prime factorization
5 x 7^2
Even or odd
Odd
Square
60025
Cube
14706125
Binary
11110101
Hexadecimal
F5
Roman numeral
CCXLV
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Full facts for 245 →Factors of 245 →