Q: What are the prime factors of the number 79,689,654?

 A: 2, 3, 11, 31, 12983

Why are those the prime factors of the number 79,689,654?

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 79,689,654

79,689,654
Factor Arrows
239,844,827
Factor Arrows
313,281,609
Factor Arrows
34,427,203
Factor Arrows
11402,473
Factor Arrows
3112,983

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, 11, 31, 12983

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 31 x 12,983 = 79,689,654

This can also be written as 21 x 32 x 111 x 311 x 12,9831 = 79,689,654

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 79,689,654:


Ask a Question