Q: What are the prime factors of the number 4,227,840?

 A: 2, 3, 5, 367

Why are those the prime factors of the number 4,227,840?

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 4,227,840

4,227,840
Factor Arrows
22,113,920
Factor Arrows
21,056,960
Factor Arrows
2528,480
Factor Arrows
2264,240
Factor Arrows
2132,120
Factor Arrows
266,060
Factor Arrows
233,030
Factor Arrows
216,515
Factor Arrows
35,505
Factor Arrows
31,835
Factor Arrows
5367

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, 5, 367

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 3 x 5 x 367 = 4,227,840

This can also be written as 28 x 32 x 51 x 3671 = 4,227,840

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 4,227,840:


Ask a Question