Q: What are the prime factors of the number 707,675,640?

 A: 2, 3, 5, 7, 61, 1973

Why are those the prime factors of the number 707,675,640?

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 707,675,640

707,675,640
Factor Arrows
2353,837,820
Factor Arrows
2176,918,910
Factor Arrows
288,459,455
Factor Arrows
329,486,485
Factor Arrows
55,897,297
Factor Arrows
7842,471
Factor Arrows
7120,353
Factor Arrows
611,973

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, 7, 61, 1973

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 7 x 7 x 61 x 1,973 = 707,675,640

This can also be written as 23 x 31 x 51 x 72 x 611 x 1,9731 = 707,675,640

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 707,675,640:


Ask a Question