Q: What are the prime factors of the number 402,113,322?

 A: 2, 3, 13, 41, 4657

Why are those the prime factors of the number 402,113,322?

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 402,113,322

402,113,322
Factor Arrows
2201,056,661
Factor Arrows
367,018,887
Factor Arrows
322,339,629
Factor Arrows
37,446,543
Factor Arrows
32,482,181
Factor Arrows
13190,937
Factor Arrows
414,657

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, 13, 41, 4657

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 13 x 41 x 4,657 = 402,113,322

This can also be written as 21 x 34 x 131 x 411 x 4,6571 = 402,113,322

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 402,113,322:


Ask a Question