Q: What are the prime factors of the number 740,636,470?

 A: 2, 5, 7, 109, 283

Why are those the prime factors of the number 740,636,470?

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 740,636,470

740,636,470
Factor Arrows
2370,318,235
Factor Arrows
574,063,647
Factor Arrows
710,580,521
Factor Arrows
71,511,503
Factor Arrows
7215,929
Factor Arrows
730,847
Factor Arrows
109283

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, 7, 109, 283

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 7 x 7 x 7 x 109 x 283 = 740,636,470

This can also be written as 21 x 51 x 74 x 1091 x 2831 = 740,636,470

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 740,636,470:


Ask a Question