Q: What are the prime factors of the number 68,232,402?

 A: 2, 3, 7, 107, 241

Why are those the prime factors of the number 68,232,402?

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 68,232,402

68,232,402
Factor Arrows
234,116,201
Factor Arrows
311,372,067
Factor Arrows
33,790,689
Factor Arrows
31,263,563
Factor Arrows
7180,509
Factor Arrows
725,787
Factor Arrows
107241

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, 107, 241

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 7 x 107 x 241 = 68,232,402

This can also be written as 21 x 33 x 72 x 1071 x 2411 = 68,232,402

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


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