# Prime factorization of 685

Here you will see step by step solution of prime factorization of 685, how to find factors of 685, you will see all factors of 685, how many factors of 685 has? Factors of 685 are 1, 5, 137, 685, we can see that 685 has 4 factor and sum of all factors is 828.

• All Factors of 685: 1, 5, 137, 685
• Prime Factors of 685: 5 × 137
• Prime Factorization of 685: 51 × 1371
• Sum of Factors of 685: 828
• Is 685 prime number: No

### How to find factors of 685 by Division Method?

To find the factors of 685 by division method, we need the find the all numbers between 1 to 685, which divide 685 with 0 remainder, then the number is factor of 685.

### Pair factors of 685

• 685/1 = 685 [ 1 × 685 (1, 685) 1 and 685 is pair factor of 685]
• 685/5 = 137 [ 5 × 137 (5, 137) 5 and 137 is pair factor of 685]
• 685/137 = 5 [ 137 × 5 (137, 5) 137 and 5 is pair factor of 685]
• 685/685 = 1 [ 685 × 1 (685, 1) 685 and 1 is pair factor of 685]

As we checked numbers between 1 to 685 that are not leaving any remainder, hence we can say factors of 685 is 1, 5, 137, 685.

Also note that, in exponential form prime factorization of 685 is written as 51 × 1371 and it is a composite number.

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