# Prime factorization of 155

Here you will see step by step solution of prime factorization of 155, how to find factors of 155, you will see all factors of 155, how many factors of 155 has? Factors of 155 are 1, 5, 31, 155, we can see that 155 has 4 factor and sum of all factors is 192.

• All Factors of 155: 1, 5, 31, 155
• Prime Factors of 155: 5 × 31
• Prime Factorization of 155: 51 × 311
• Sum of Factors of 155: 192
• Is 155 prime number: No

### How to find factors of 155 by Division Method?

To find the factors of 155 by division method, we need the find the all numbers between 1 to 155, which divide 155 with 0 remainder, then the number is factor of 155.

### Pair factors of 155

• 155/1 = 155 [ 1 × 155 (1, 155) 1 and 155 is pair factor of 155]
• 155/5 = 31 [ 5 × 31 (5, 31) 5 and 31 is pair factor of 155]
• 155/31 = 5 [ 31 × 5 (31, 5) 31 and 5 is pair factor of 155]
• 155/155 = 1 [ 155 × 1 (155, 1) 155 and 1 is pair factor of 155]

As we checked numbers between 1 to 155 that are not leaving any remainder, hence we can say factors of 155 is 1, 5, 31, 155.

Also note that, in exponential form prime factorization of 155 is written as 51 × 311 and it is a composite number.

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