Q: What are the prime factors of the number 224,220,344?

 A: 2, 17, 29, 139, 409

Why are those the prime factors of the number 224,220,344?

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 224,220,344

224,220,344
Factor Arrows
2112,110,172
Factor Arrows
256,055,086
Factor Arrows
228,027,543
Factor Arrows
171,648,679
Factor Arrows
2956,851
Factor Arrows
139409

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, 17, 29, 139, 409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 29 x 139 x 409 = 224,220,344

This can also be written as 23 x 171 x 291 x 1391 x 4091 = 224,220,344

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


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