Q: What are the prime factors of the number 46,462,720?

 A: 2, 5, 36299

Why are those the prime factors of the number 46,462,720?

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 46,462,720

46,462,720
Factor Arrows
223,231,360
Factor Arrows
211,615,680
Factor Arrows
25,807,840
Factor Arrows
22,903,920
Factor Arrows
21,451,960
Factor Arrows
2725,980
Factor Arrows
2362,990
Factor Arrows
2181,495
Factor Arrows
536,299

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, 36299

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 5 x 36,299 = 46,462,720

This can also be written as 28 x 51 x 36,2991 = 46,462,720

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


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