Q: What are the prime factors of the number 74,067,040?

 A: 2, 5, 449, 1031

Why are those the prime factors of the number 74,067,040?

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 74,067,040

74,067,040
Factor Arrows
237,033,520
Factor Arrows
218,516,760
Factor Arrows
29,258,380
Factor Arrows
24,629,190
Factor Arrows
22,314,595
Factor Arrows
5462,919
Factor Arrows
4491,031

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, 5, 449, 1031

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 449 x 1,031 = 74,067,040

This can also be written as 25 x 51 x 4491 x 1,0311 = 74,067,040

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 74,067,040:


Ask a Question