Q: What are the prime factors of the number 72,714,624?

 A: 2, 3, 189361

Why are those the prime factors of the number 72,714,624?

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 72,714,624

72,714,624
Factor Arrows
236,357,312
Factor Arrows
218,178,656
Factor Arrows
29,089,328
Factor Arrows
24,544,664
Factor Arrows
22,272,332
Factor Arrows
21,136,166
Factor Arrows
2568,083
Factor Arrows
3189,361

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, 189361

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 3 x 189,361 = 72,714,624

This can also be written as 27 x 31 x 189,3611 = 72,714,624

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 72,714,624:


Ask a Question