Q: What are the prime factors of the number 31,276,476?

 A: 2, 3, 7, 11, 3761

Why are those the prime factors of the number 31,276,476?

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 31,276,476

31,276,476
Factor Arrows
215,638,238
Factor Arrows
27,819,119
Factor Arrows
32,606,373
Factor Arrows
3868,791
Factor Arrows
3289,597
Factor Arrows
741,371
Factor Arrows
113,761

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, 3, 7, 11, 3761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 11 x 3,761 = 31,276,476

This can also be written as 22 x 33 x 71 x 111 x 3,7611 = 31,276,476

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 31,276,476:


Ask a Question