Q: What are the prime factors of the number 45,453,456?

 A: 2, 3, 83, 3803

Why are those the prime factors of the number 45,453,456?

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 45,453,456

45,453,456
Factor Arrows
222,726,728
Factor Arrows
211,363,364
Factor Arrows
25,681,682
Factor Arrows
22,840,841
Factor Arrows
3946,947
Factor Arrows
3315,649
Factor Arrows
833,803

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, 83, 3803

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 83 x 3,803 = 45,453,456

This can also be written as 24 x 32 x 831 x 3,8031 = 45,453,456

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


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