Q: What are the prime factors of the number 157,106,565?

 A: 3, 5, 7, 11, 45341

Why are those the prime factors of the number 157,106,565?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 157,106,565

157,106,565
Factor Arrows
352,368,855
Factor Arrows
317,456,285
Factor Arrows
53,491,257
Factor Arrows
7498,751
Factor Arrows
1145,341

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 5, 7, 11, 45341

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 11 x 45,341 = 157,106,565

This can also be written as 32 x 51 x 71 x 111 x 45,3411 = 157,106,565

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 157,106,565:


Ask a Question