Q: What are the prime factors of the number 312,771,550?

 A: 2, 5, 7, 13, 53, 1297

Why are those the prime factors of the number 312,771,550?

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 312,771,550

312,771,550
Factor Arrows
2156,385,775
Factor Arrows
531,277,155
Factor Arrows
56,255,431
Factor Arrows
7893,633
Factor Arrows
1368,741
Factor Arrows
531,297

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:

2, 5, 7, 13, 53, 1297

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 13 x 53 x 1,297 = 312,771,550

This can also be written as 21 x 52 x 71 x 131 x 531 x 1,2971 = 312,771,550

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 312,771,550:


Ask a Question