Q: What are the prime factors of the number 137,600?

 A: 2, 5, 43

Why are those the prime factors of the number 137,600?

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 137,600

137,600
Factor Arrows
268,800
Factor Arrows
234,400
Factor Arrows
217,200
Factor Arrows
28,600
Factor Arrows
24,300
Factor Arrows
22,150
Factor Arrows
21,075
Factor Arrows
5215
Factor Arrows
543

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, 5, 43

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 5 x 5 x 43 = 137,600

This can also be written as 27 x 52 x 431 = 137,600

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 137,600:


Ask a Question