Q: What are the prime factors of the number 35,798,720?

 A: 2, 5, 111871

Why are those the prime factors of the number 35,798,720?

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 35,798,720

35,798,720
Factor Arrows
217,899,360
Factor Arrows
28,949,680
Factor Arrows
24,474,840
Factor Arrows
22,237,420
Factor Arrows
21,118,710
Factor Arrows
2559,355
Factor Arrows
5111,871

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, 111871

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 5 x 111,871 = 35,798,720

This can also be written as 26 x 51 x 111,8711 = 35,798,720

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


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