Find the prime factorisation of 245

1 answer

The prime factorization of 245 can be found by dividing it by prime numbers until we reach 1.

245 ÷ 5 = 49
49 ÷ 7 = 7
7 ÷ 7 = 1

Therefore, the prime factorization of 245 is 5 × 7 × 7.