Q: What are the prime factors of the number 46,156,377?

 A: 3, 17, 19, 23, 109

Why are those the prime factors of the number 46,156,377?

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 46,156,377

46,156,377
Factor Arrows
315,385,459
Factor Arrows
17905,027
Factor Arrows
1947,633
Factor Arrows
192,507
Factor Arrows
23109

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:

3, 17, 19, 23, 109

We can check our work by multiplying all of the prime factors together: 3 x 17 x 19 x 19 x 23 x 109 = 46,156,377

This can also be written as 31 x 171 x 192 x 231 x 1091 = 46,156,377

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


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