Q: What are the prime factors of the number 47,316,416?

 A: 2, 7, 31, 3407

Why are those the prime factors of the number 47,316,416?

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 47,316,416

47,316,416
Factor Arrows
223,658,208
Factor Arrows
211,829,104
Factor Arrows
25,914,552
Factor Arrows
22,957,276
Factor Arrows
21,478,638
Factor Arrows
2739,319
Factor Arrows
7105,617
Factor Arrows
313,407

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, 31, 3407

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 31 x 3,407 = 47,316,416

This can also be written as 26 x 71 x 311 x 3,4071 = 47,316,416

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 47,316,416:


Ask a Question