Q: What are the prime factors of the number 90,225,278?

 A: 2, 11, 13, 59, 5347

Why are those the prime factors of the number 90,225,278?

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 90,225,278

90,225,278
Factor Arrows
245,112,639
Factor Arrows
114,101,149
Factor Arrows
13315,473
Factor Arrows
595,347

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, 11, 13, 59, 5347

We can check our work by multiplying all of the prime factors together: 2 x 11 x 13 x 59 x 5,347 = 90,225,278

This can also be written as 21 x 111 x 131 x 591 x 5,3471 = 90,225,278

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 90,225,278:


Ask a Question