Q: What are the prime factors of the number 43,154,430?

 A: 2, 3, 5, 11, 251, 521

Why are those the prime factors of the number 43,154,430?

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 43,154,430

43,154,430
Factor Arrows
221,577,215
Factor Arrows
37,192,405
Factor Arrows
51,438,481
Factor Arrows
11130,771
Factor Arrows
251521

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, 11, 251, 521

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 11 x 251 x 521 = 43,154,430

This can also be written as 21 x 31 x 51 x 111 x 2511 x 5211 = 43,154,430

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 43,154,430:


Ask a Question