Q: What are the prime factors of the number 710,400?

 A: 2, 3, 5, 37

Why are those the prime factors of the number 710,400?

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 710,400

710,400
Factor Arrows
2355,200
Factor Arrows
2177,600
Factor Arrows
288,800
Factor Arrows
244,400
Factor Arrows
222,200
Factor Arrows
211,100
Factor Arrows
25,550
Factor Arrows
22,775
Factor Arrows
3925
Factor Arrows
5185
Factor Arrows
537

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, 37

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 2 x 2 x 3 x 5 x 5 x 37 = 710,400

This can also be written as 28 x 31 x 52 x 371 = 710,400

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


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