Q: What are the prime factors of the number 31,385,075?

 A: 5, 1063, 1181

Why are those the prime factors of the number 31,385,075?

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 31,385,075

31,385,075
Factor Arrows
56,277,015
Factor Arrows
51,255,403
Factor Arrows
1,0631,181

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:

5, 1063, 1181

We can check our work by multiplying all of the prime factors together: 5 x 5 x 1,063 x 1,181 = 31,385,075

This can also be written as 52 x 1,0631 x 1,1811 = 31,385,075

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 31,385,075:


Ask a Question