Q: What are the prime factors of the number 101,042,305?

 A: 5, 7, 13, 17, 13063

Why are those the prime factors of the number 101,042,305?

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 101,042,305

101,042,305
Factor Arrows
520,208,461
Factor Arrows
72,886,923
Factor Arrows
13222,071
Factor Arrows
1713,063

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:

5, 7, 13, 17, 13063

We can check our work by multiplying all of the prime factors together: 5 x 7 x 13 x 17 x 13,063 = 101,042,305

This can also be written as 51 x 71 x 131 x 171 x 13,0631 = 101,042,305

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


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