Q: What are the prime factors of the number 103,353,330?

 A: 2, 3, 5, 79, 43609

Why are those the prime factors of the number 103,353,330?

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 103,353,330

103,353,330
Factor Arrows
251,676,665
Factor Arrows
317,225,555
Factor Arrows
53,445,111
Factor Arrows
7943,609

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, 5, 79, 43609

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 79 x 43,609 = 103,353,330

This can also be written as 21 x 31 x 51 x 791 x 43,6091 = 103,353,330

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


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