Q: What are the prime factors of the number 361,442,016?

 A: 2, 3, 13, 19, 5081

Why are those the prime factors of the number 361,442,016?

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 361,442,016

361,442,016
Factor Arrows
2180,721,008
Factor Arrows
290,360,504
Factor Arrows
245,180,252
Factor Arrows
222,590,126
Factor Arrows
211,295,063
Factor Arrows
33,765,021
Factor Arrows
31,255,007
Factor Arrows
1396,539
Factor Arrows
195,081

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, 13, 19, 5081

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 13 x 19 x 5,081 = 361,442,016

This can also be written as 25 x 32 x 131 x 191 x 5,0811 = 361,442,016

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


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