Q: What are the prime factors of the number 42,325,402?

 A: 2, 7, 181, 16703

Why are those the prime factors of the number 42,325,402?

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 42,325,402

42,325,402
Factor Arrows
221,162,701
Factor Arrows
73,023,243
Factor Arrows
18116,703

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, 7, 181, 16703

We can check our work by multiplying all of the prime factors together: 2 x 7 x 181 x 16,703 = 42,325,402

This can also be written as 21 x 71 x 1811 x 16,7031 = 42,325,402

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 42,325,402:


Ask a Question