Q: What are the prime factors of the number 46,613,760?

 A: 2, 3, 5, 61, 199

Why are those the prime factors of the number 46,613,760?

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 46,613,760

46,613,760
Factor Arrows
223,306,880
Factor Arrows
211,653,440
Factor Arrows
25,826,720
Factor Arrows
22,913,360
Factor Arrows
21,456,680
Factor Arrows
2728,340
Factor Arrows
2364,170
Factor Arrows
2182,085
Factor Arrows
360,695
Factor Arrows
512,139
Factor Arrows
61199

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, 61, 199

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 3 x 5 x 61 x 199 = 46,613,760

This can also be written as 28 x 31 x 51 x 611 x 1991 = 46,613,760

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


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