Q: What are the prime factors of the number 103,111,228?

 A: 2, 11, 41, 61, 937

Why are those the prime factors of the number 103,111,228?

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 103,111,228

103,111,228
Factor Arrows
251,555,614
Factor Arrows
225,777,807
Factor Arrows
112,343,437
Factor Arrows
4157,157
Factor Arrows
61937

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, 11, 41, 61, 937

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 41 x 61 x 937 = 103,111,228

This can also be written as 22 x 111 x 411 x 611 x 9371 = 103,111,228

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


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