Q: What are the prime factors of the number 361,207,242?

 A: 2, 3, 11, 97, 6269

Why are those the prime factors of the number 361,207,242?

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 361,207,242

361,207,242
Factor Arrows
2180,603,621
Factor Arrows
360,201,207
Factor Arrows
320,067,069
Factor Arrows
36,689,023
Factor Arrows
11608,093
Factor Arrows
976,269

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, 97, 6269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 97 x 6,269 = 361,207,242

This can also be written as 21 x 33 x 111 x 971 x 6,2691 = 361,207,242

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


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