Q: What are the prime factors of the number 1,202,400?

 A: 2, 3, 5, 167

Why are those the prime factors of the number 1,202,400?

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 1,202,400

1,202,400
Factor Arrows
2601,200
Factor Arrows
2300,600
Factor Arrows
2150,300
Factor Arrows
275,150
Factor Arrows
237,575
Factor Arrows
312,525
Factor Arrows
34,175
Factor Arrows
5835
Factor Arrows
5167

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, 167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5 x 167 = 1,202,400

This can also be written as 25 x 32 x 52 x 1671 = 1,202,400

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


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