Q: What are the prime factors of the number 314,400,400?

 A: 2, 5, 786001

Why are those the prime factors of the number 314,400,400?

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 314,400,400

314,400,400
Factor Arrows
2157,200,200
Factor Arrows
278,600,100
Factor Arrows
239,300,050
Factor Arrows
219,650,025
Factor Arrows
53,930,005
Factor Arrows
5786,001

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, 786001

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 786,001 = 314,400,400

This can also be written as 24 x 52 x 786,0011 = 314,400,400

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


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