Q: What are the prime factors of the number 2,791,875?

 A: 3, 5, 1489

Why are those the prime factors of the number 2,791,875?

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 2,791,875

2,791,875
Factor Arrows
3930,625
Factor Arrows
5186,125
Factor Arrows
537,225
Factor Arrows
57,445
Factor Arrows
51,489

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, 5, 1489

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 5 x 1,489 = 2,791,875

This can also be written as 31 x 54 x 1,4891 = 2,791,875

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 2,791,875:


Ask a Question