Q: What are the prime factors of the number 858,116?

 A: 2, 7, 19, 1613

Why are those the prime factors of the number 858,116?

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 858,116

858,116
Factor Arrows
2429,058
Factor Arrows
2214,529
Factor Arrows
730,647
Factor Arrows
191,613

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, 7, 19, 1613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 19 x 1,613 = 858,116

This can also be written as 22 x 71 x 191 x 1,6131 = 858,116

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 858,116:


Ask a Question