Q: What are the prime factors of the number 103,112,142?

 A: 2, 3, 7, 277, 8863

Why are those the prime factors of the number 103,112,142?

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 103,112,142

103,112,142
Factor Arrows
251,556,071
Factor Arrows
317,185,357
Factor Arrows
72,455,051
Factor Arrows
2778,863

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, 277, 8863

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 277 x 8,863 = 103,112,142

This can also be written as 21 x 31 x 71 x 2771 x 8,8631 = 103,112,142

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


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