Q: What are the prime factors of the number 101,233,314?

 A: 2, 3, 7, 13, 109

Why are those the prime factors of the number 101,233,314?

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 101,233,314

101,233,314
Factor Arrows
250,616,657
Factor Arrows
316,872,219
Factor Arrows
35,624,073
Factor Arrows
31,874,691
Factor Arrows
3624,897
Factor Arrows
3208,299
Factor Arrows
369,433
Factor Arrows
79,919
Factor Arrows
71,417
Factor Arrows
13109

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, 13, 109

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 7 x 13 x 109 = 101,233,314

This can also be written as 21 x 36 x 72 x 131 x 1091 = 101,233,314

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


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