Q: What are the prime factors of the number 103,255,424?

 A: 2, 19, 42457

Why are those the prime factors of the number 103,255,424?

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 103,255,424

103,255,424
Factor Arrows
251,627,712
Factor Arrows
225,813,856
Factor Arrows
212,906,928
Factor Arrows
26,453,464
Factor Arrows
23,226,732
Factor Arrows
21,613,366
Factor Arrows
2806,683
Factor Arrows
1942,457

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, 19, 42457

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 19 x 42,457 = 103,255,424

This can also be written as 27 x 191 x 42,4571 = 103,255,424

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 103,255,424:


Ask a Question