Q: What are the prime factors of the number 633,602,440?

 A: 2, 5, 29, 103, 5303

Why are those the prime factors of the number 633,602,440?

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 633,602,440

633,602,440
Factor Arrows
2316,801,220
Factor Arrows
2158,400,610
Factor Arrows
279,200,305
Factor Arrows
515,840,061
Factor Arrows
29546,209
Factor Arrows
1035,303

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, 29, 103, 5303

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 29 x 103 x 5,303 = 633,602,440

This can also be written as 23 x 51 x 291 x 1031 x 5,3031 = 633,602,440

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


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