Q: What are the prime factors of the number 402,322,432?

 A: 2, 392893

Why are those the prime factors of the number 402,322,432?

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 402,322,432

402,322,432
Factor Arrows
2201,161,216
Factor Arrows
2100,580,608
Factor Arrows
250,290,304
Factor Arrows
225,145,152
Factor Arrows
212,572,576
Factor Arrows
26,286,288
Factor Arrows
23,143,144
Factor Arrows
21,571,572
Factor Arrows
2785,786
Factor Arrows
2392,893

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, 392893

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 392,893 = 402,322,432

This can also be written as 210 x 392,8931 = 402,322,432

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 402,322,432:


Ask a Question