Q: What are the prime factors of the number 4,765,720?

 A: 2, 5, 283, 421

Why are those the prime factors of the number 4,765,720?

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 4,765,720

4,765,720
Factor Arrows
22,382,860
Factor Arrows
21,191,430
Factor Arrows
2595,715
Factor Arrows
5119,143
Factor Arrows
283421

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, 283, 421

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 283 x 421 = 4,765,720

This can also be written as 23 x 51 x 2831 x 4211 = 4,765,720

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


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