Q: What are the prime factors of the number 368,640,216?

 A: 2, 3, 7, 271, 2699

Why are those the prime factors of the number 368,640,216?

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 368,640,216

368,640,216
Factor Arrows
2184,320,108
Factor Arrows
292,160,054
Factor Arrows
246,080,027
Factor Arrows
315,360,009
Factor Arrows
35,120,003
Factor Arrows
7731,429
Factor Arrows
2712,699

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, 7, 271, 2699

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 271 x 2,699 = 368,640,216

This can also be written as 23 x 32 x 71 x 2711 x 2,6991 = 368,640,216

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


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