Q: What are the prime factors of the number 1,977,336?

 A: 2, 3, 29, 947

Why are those the prime factors of the number 1,977,336?

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 1,977,336

1,977,336
Factor Arrows
2988,668
Factor Arrows
2494,334
Factor Arrows
2247,167
Factor Arrows
382,389
Factor Arrows
327,463
Factor Arrows
29947

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, 29, 947

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 29 x 947 = 1,977,336

This can also be written as 23 x 32 x 291 x 9471 = 1,977,336

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 1,977,336:


Ask a Question