Q: What are the prime factors of the number 155,498,590?

 A: 2, 5, 13, 101, 911

Why are those the prime factors of the number 155,498,590?

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 155,498,590

155,498,590
Factor Arrows
277,749,295
Factor Arrows
515,549,859
Factor Arrows
131,196,143
Factor Arrows
1392,011
Factor Arrows
101911

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, 13, 101, 911

We can check our work by multiplying all of the prime factors together: 2 x 5 x 13 x 13 x 101 x 911 = 155,498,590

This can also be written as 21 x 51 x 132 x 1011 x 9111 = 155,498,590

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 155,498,590:


Ask a Question