Q: What are the prime factors of the number 2,919,726?

 A: 2, 3, 67, 269

Why are those the prime factors of the number 2,919,726?

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 2,919,726

2,919,726
Factor Arrows
21,459,863
Factor Arrows
3486,621
Factor Arrows
3162,207
Factor Arrows
354,069
Factor Arrows
318,023
Factor Arrows
67269

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, 3, 67, 269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 67 x 269 = 2,919,726

This can also be written as 21 x 34 x 671 x 2691 = 2,919,726

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 2,919,726:


Ask a Question