Q: What are the prime factors of the number 224,310,420?

 A: 2, 3, 5, 31, 61, 659

Why are those the prime factors of the number 224,310,420?

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 224,310,420

224,310,420
Factor Arrows
2112,155,210
Factor Arrows
256,077,605
Factor Arrows
318,692,535
Factor Arrows
36,230,845
Factor Arrows
51,246,169
Factor Arrows
3140,199
Factor Arrows
61659

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, 31, 61, 659

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 31 x 61 x 659 = 224,310,420

This can also be written as 22 x 32 x 51 x 311 x 611 x 6591 = 224,310,420

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


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