Q: What are the prime factors of the number 43,571,616?

 A: 2, 3, 11, 31

Why are those the prime factors of the number 43,571,616?

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 43,571,616

43,571,616
Factor Arrows
221,785,808
Factor Arrows
210,892,904
Factor Arrows
25,446,452
Factor Arrows
22,723,226
Factor Arrows
21,361,613
Factor Arrows
3453,871
Factor Arrows
1141,261
Factor Arrows
113,751
Factor Arrows
11341
Factor Arrows
1131

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

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 11 x 11 x 11 x 11 x 31 = 43,571,616

This can also be written as 25 x 31 x 114 x 311 = 43,571,616

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 43,571,616:


Ask a Question