Q: What are the prime factors of the number 35,242,560?

 A: 2, 3, 5, 4079

Why are those the prime factors of the number 35,242,560?

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 35,242,560

35,242,560
Factor Arrows
217,621,280
Factor Arrows
28,810,640
Factor Arrows
24,405,320
Factor Arrows
22,202,660
Factor Arrows
21,101,330
Factor Arrows
2550,665
Factor Arrows
3183,555
Factor Arrows
361,185
Factor Arrows
320,395
Factor Arrows
54,079

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, 4079

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 3 x 3 x 3 x 5 x 4,079 = 35,242,560

This can also be written as 26 x 33 x 51 x 4,0791 = 35,242,560

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


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