Q: What are the prime factors of the number 316,611,666?

 A: 2, 3, 7, 43, 151

Why are those the prime factors of the number 316,611,666?

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 316,611,666

316,611,666
Factor Arrows
2158,305,833
Factor Arrows
352,768,611
Factor Arrows
317,589,537
Factor Arrows
35,863,179
Factor Arrows
31,954,393
Factor Arrows
7279,199
Factor Arrows
436,493
Factor Arrows
43151

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, 7, 43, 151

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 43 x 43 x 151 = 316,611,666

This can also be written as 21 x 34 x 71 x 432 x 1511 = 316,611,666

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 316,611,666:


Ask a Question