Q: What are the prime factors of the number 43,253,200?

 A: 2, 5, 71, 1523

Why are those the prime factors of the number 43,253,200?

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 43,253,200

43,253,200
Factor Arrows
221,626,600
Factor Arrows
210,813,300
Factor Arrows
25,406,650
Factor Arrows
22,703,325
Factor Arrows
5540,665
Factor Arrows
5108,133
Factor Arrows
711,523

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, 71, 1523

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 71 x 1,523 = 43,253,200

This can also be written as 24 x 52 x 711 x 1,5231 = 43,253,200

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


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