Q: What are the prime factors of the number 122,421,024?

 A: 2, 3, 11, 1171

Why are those the prime factors of the number 122,421,024?

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 122,421,024

122,421,024
Factor Arrows
261,210,512
Factor Arrows
230,605,256
Factor Arrows
215,302,628
Factor Arrows
27,651,314
Factor Arrows
23,825,657
Factor Arrows
31,275,219
Factor Arrows
3425,073
Factor Arrows
3141,691
Factor Arrows
1112,881
Factor Arrows
111,171

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, 11, 1171

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 11 x 11 x 1,171 = 122,421,024

This can also be written as 25 x 33 x 112 x 1,1711 = 122,421,024

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 122,421,024:


Ask a Question