Q: What are the prime factors of the number 961,856?

 A: 2, 7, 19, 113

Why are those the prime factors of the number 961,856?

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 961,856

961,856
Factor Arrows
2480,928
Factor Arrows
2240,464
Factor Arrows
2120,232
Factor Arrows
260,116
Factor Arrows
230,058
Factor Arrows
215,029
Factor Arrows
72,147
Factor Arrows
19113

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, 113

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 7 x 19 x 113 = 961,856

This can also be written as 26 x 71 x 191 x 1131 = 961,856

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 961,856:


Ask a Question