Q: What are the prime factors of the number 46,639,692?

 A: 2, 3, 11, 43, 83

Why are those the prime factors of the number 46,639,692?

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 46,639,692

46,639,692
Factor Arrows
223,319,846
Factor Arrows
211,659,923
Factor Arrows
33,886,641
Factor Arrows
31,295,547
Factor Arrows
3431,849
Factor Arrows
1139,259
Factor Arrows
113,569
Factor Arrows
4383

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, 11, 43, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 11 x 43 x 83 = 46,639,692

This can also be written as 22 x 33 x 112 x 431 x 831 = 46,639,692

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


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