Q: What are the prime factors of the number 74,807,808?

 A: 2, 3, 113, 431

Why are those the prime factors of the number 74,807,808?

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 74,807,808

74,807,808
Factor Arrows
237,403,904
Factor Arrows
218,701,952
Factor Arrows
29,350,976
Factor Arrows
24,675,488
Factor Arrows
22,337,744
Factor Arrows
21,168,872
Factor Arrows
2584,436
Factor Arrows
2292,218
Factor Arrows
2146,109
Factor Arrows
348,703
Factor Arrows
113431

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, 113, 431

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 113 x 431 = 74,807,808

This can also be written as 29 x 31 x 1131 x 4311 = 74,807,808

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 74,807,808:


Ask a Question