Q: What are the prime factors of the number 331,404,003?

 A: 3, 7, 47, 59, 271

Why are those the prime factors of the number 331,404,003?

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 331,404,003

331,404,003
Factor Arrows
3110,468,001
Factor Arrows
336,822,667
Factor Arrows
75,260,381
Factor Arrows
7751,483
Factor Arrows
4715,989
Factor Arrows
59271

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:

3, 7, 47, 59, 271

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 47 x 59 x 271 = 331,404,003

This can also be written as 32 x 72 x 471 x 591 x 2711 = 331,404,003

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 331,404,003:


Ask a Question