Q: What are the prime factors of the number 43,676,800?

 A: 2, 5, 13649

Why are those the prime factors of the number 43,676,800?

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 43,676,800

43,676,800
Factor Arrows
221,838,400
Factor Arrows
210,919,200
Factor Arrows
25,459,600
Factor Arrows
22,729,800
Factor Arrows
21,364,900
Factor Arrows
2682,450
Factor Arrows
2341,225
Factor Arrows
568,245
Factor Arrows
513,649

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, 13649

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 5 x 5 x 13,649 = 43,676,800

This can also be written as 27 x 52 x 13,6491 = 43,676,800

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


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