Q: What are the prime factors of the number 361,544,128?

 A: 2, 11, 46687

Why are those the prime factors of the number 361,544,128?

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 361,544,128

361,544,128
Factor Arrows
2180,772,064
Factor Arrows
290,386,032
Factor Arrows
245,193,016
Factor Arrows
222,596,508
Factor Arrows
211,298,254
Factor Arrows
25,649,127
Factor Arrows
11513,557
Factor Arrows
1146,687

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, 11, 46687

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 11 x 11 x 46,687 = 361,544,128

This can also be written as 26 x 112 x 46,6871 = 361,544,128

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


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