Q: What are the prime factors of the number 103,100,340?

 A: 2, 3, 5, 7, 245477

Why are those the prime factors of the number 103,100,340?

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 103,100,340

103,100,340
Factor Arrows
251,550,170
Factor Arrows
225,775,085
Factor Arrows
38,591,695
Factor Arrows
51,718,339
Factor Arrows
7245,477

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, 5, 7, 245477

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 245,477 = 103,100,340

This can also be written as 22 x 31 x 51 x 71 x 245,4771 = 103,100,340

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 103,100,340:


Ask a Question