# Prime factorization of 161

Here you will see step by step solution of prime factorization of 161, how to find factors of 161, you will see all factors of 161, how many factors of 161 has? Factors of 161 are 1, 7, 23, 161, we can see that 161 has 4 factor and sum of all factors is 192.

• All Factors of 161: 1, 7, 23, 161
• Prime Factors of 161: 7 × 23
• Prime Factorization of 161: 71 × 231
• Sum of Factors of 161: 192
• Is 161 prime number: No

### How to find factors of 161 by Division Method?

To find the factors of 161 by division method, we need the find the all numbers between 1 to 161, which divide 161 with 0 remainder, then the number is factor of 161.

### Pair factors of 161

• 161/1 = 161 [ 1 × 161 (1, 161) 1 and 161 is pair factor of 161]
• 161/7 = 23 [ 7 × 23 (7, 23) 7 and 23 is pair factor of 161]
• 161/23 = 7 [ 23 × 7 (23, 7) 23 and 7 is pair factor of 161]
• 161/161 = 1 [ 161 × 1 (161, 1) 161 and 1 is pair factor of 161]

As we checked numbers between 1 to 161 that are not leaving any remainder, hence we can say factors of 161 is 1, 7, 23, 161.

Also note that, in exponential form prime factorization of 161 is written as 71 × 231 and it is a composite number.

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