Q: What are the prime factors of the number 72,452,576?

 A: 2, 7, 23, 41

Why are those the prime factors of the number 72,452,576?

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 72,452,576

72,452,576
Factor Arrows
236,226,288
Factor Arrows
218,113,144
Factor Arrows
29,056,572
Factor Arrows
24,528,286
Factor Arrows
22,264,143
Factor Arrows
7323,449
Factor Arrows
746,207
Factor Arrows
76,601
Factor Arrows
7943
Factor Arrows
2341

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, 7, 23, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 7 x 7 x 7 x 23 x 41 = 72,452,576

This can also be written as 25 x 74 x 231 x 411 = 72,452,576

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 72,452,576:


Ask a Question