Q: What are the prime factors of the number 40,035,424?

 A: 2, 11, 13, 673

Why are those the prime factors of the number 40,035,424?

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 40,035,424

40,035,424
Factor Arrows
220,017,712
Factor Arrows
210,008,856
Factor Arrows
25,004,428
Factor Arrows
22,502,214
Factor Arrows
21,251,107
Factor Arrows
11113,737
Factor Arrows
138,749
Factor Arrows
13673

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, 11, 13, 673

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 13 x 13 x 673 = 40,035,424

This can also be written as 25 x 111 x 132 x 6731 = 40,035,424

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 40,035,424:


Ask a Question