Q: What are the prime factors of the number 103,134,400?

 A: 2, 5, 73, 883

Why are those the prime factors of the number 103,134,400?

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 103,134,400

103,134,400
Factor Arrows
251,567,200
Factor Arrows
225,783,600
Factor Arrows
212,891,800
Factor Arrows
26,445,900
Factor Arrows
23,222,950
Factor Arrows
21,611,475
Factor Arrows
5322,295
Factor Arrows
564,459
Factor Arrows
73883

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, 5, 73, 883

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 5 x 5 x 73 x 883 = 103,134,400

This can also be written as 26 x 52 x 731 x 8831 = 103,134,400

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


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