155 is divisible by the prime number 5 which results in 31. The result 31 cannot be divided any further as it is a prime number. Hence the prime factors of 155 are 5, 31.
155 is divisible by the prime number 5 which results in 31. The result 31 cannot be divided any further as it is a prime number. Hence the prime factors of 155 are 5, 31.