Q: What are the prime factors of the number 43,420,416?

 A: 2, 3, 13, 4349

Why are those the prime factors of the number 43,420,416?

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 43,420,416

43,420,416
Factor Arrows
221,710,208
Factor Arrows
210,855,104
Factor Arrows
25,427,552
Factor Arrows
22,713,776
Factor Arrows
21,356,888
Factor Arrows
2678,444
Factor Arrows
2339,222
Factor Arrows
2169,611
Factor Arrows
356,537
Factor Arrows
134,349

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, 13, 4349

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 2 x 2 x 3 x 13 x 4,349 = 43,420,416

This can also be written as 28 x 31 x 131 x 4,3491 = 43,420,416

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 43,420,416:


Ask a Question