Q: What are the prime factors of the number 107,774,400?

 A: 2, 3, 5, 22453

Why are those the prime factors of the number 107,774,400?

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 107,774,400

107,774,400
Factor Arrows
253,887,200
Factor Arrows
226,943,600
Factor Arrows
213,471,800
Factor Arrows
26,735,900
Factor Arrows
23,367,950
Factor Arrows
21,683,975
Factor Arrows
3561,325
Factor Arrows
5112,265
Factor Arrows
522,453

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, 22453

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 22,453 = 107,774,400

This can also be written as 26 x 31 x 52 x 22,4531 = 107,774,400

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


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