Q: What are the prime factors of the number 361,166,212?

 A: 2, 11, 19, 41, 257

Why are those the prime factors of the number 361,166,212?

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 361,166,212

361,166,212
Factor Arrows
2180,583,106
Factor Arrows
290,291,553
Factor Arrows
118,208,323
Factor Arrows
19432,017
Factor Arrows
4110,537
Factor Arrows
41257

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, 19, 41, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 19 x 41 x 41 x 257 = 361,166,212

This can also be written as 22 x 111 x 191 x 412 x 2571 = 361,166,212

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


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