Q: What are the prime factors of the number 351,421,400?

 A: 2, 5, 11, 159737

Why are those the prime factors of the number 351,421,400?

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 351,421,400

351,421,400
Factor Arrows
2175,710,700
Factor Arrows
287,855,350
Factor Arrows
243,927,675
Factor Arrows
58,785,535
Factor Arrows
51,757,107
Factor Arrows
11159,737

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, 5, 11, 159737

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 11 x 159,737 = 351,421,400

This can also be written as 23 x 52 x 111 x 159,7371 = 351,421,400

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 351,421,400:


Ask a Question