Q: What are the prime factors of the number 732,507,648?

 A: 2, 3, 37, 12889

Why are those the prime factors of the number 732,507,648?

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 732,507,648

732,507,648
Factor Arrows
2366,253,824
Factor Arrows
2183,126,912
Factor Arrows
291,563,456
Factor Arrows
245,781,728
Factor Arrows
222,890,864
Factor Arrows
211,445,432
Factor Arrows
25,722,716
Factor Arrows
22,861,358
Factor Arrows
21,430,679
Factor Arrows
3476,893
Factor Arrows
3712,889

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, 37, 12889

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 37 x 12,889 = 732,507,648

This can also be written as 29 x 31 x 371 x 12,8891 = 732,507,648

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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