Q: What are the prime factors of the number 101,311,236?

 A: 2, 3, 13, 67, 359

Why are those the prime factors of the number 101,311,236?

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 101,311,236

101,311,236
Factor Arrows
250,655,618
Factor Arrows
225,327,809
Factor Arrows
38,442,603
Factor Arrows
32,814,201
Factor Arrows
3938,067
Factor Arrows
3312,689
Factor Arrows
1324,053
Factor Arrows
67359

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, 67, 359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 13 x 67 x 359 = 101,311,236

This can also be written as 22 x 34 x 131 x 671 x 3591 = 101,311,236

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


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