Q: What are the prime factors of the number 462,645,450?

 A: 2, 3, 5, 1028101

Why are those the prime factors of the number 462,645,450?

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 462,645,450

462,645,450
Factor Arrows
2231,322,725
Factor Arrows
377,107,575
Factor Arrows
325,702,525
Factor Arrows
55,140,505
Factor Arrows
51,028,101

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, 1028101

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 1,028,101 = 462,645,450

This can also be written as 21 x 32 x 52 x 1,028,1011 = 462,645,450

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


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