Q: What are the prime factors of the number 463,257,270?

 A: 2, 3, 5, 7, 73, 1439

Why are those the prime factors of the number 463,257,270?

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 463,257,270

463,257,270
Factor Arrows
2231,628,635
Factor Arrows
377,209,545
Factor Arrows
325,736,515
Factor Arrows
55,147,303
Factor Arrows
7735,329
Factor Arrows
7105,047
Factor Arrows
731,439

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, 7, 73, 1439

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 7 x 73 x 1,439 = 463,257,270

This can also be written as 21 x 32 x 51 x 72 x 731 x 1,4391 = 463,257,270

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


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