Q: What are the prime factors of the number 162,656,250?

 A: 2, 3, 5, 347

Why are those the prime factors of the number 162,656,250?

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 162,656,250

162,656,250
Factor Arrows
281,328,125
Factor Arrows
327,109,375
Factor Arrows
55,421,875
Factor Arrows
51,084,375
Factor Arrows
5216,875
Factor Arrows
543,375
Factor Arrows
58,675
Factor Arrows
51,735
Factor Arrows
5347

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, 347

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 347 = 162,656,250

This can also be written as 21 x 31 x 57 x 3471 = 162,656,250

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 162,656,250:


Ask a Question