Q: What are the prime factors of the number 144,321,349?

 A: 37, 47, 2243

Why are those the prime factors of the number 144,321,349?

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 144,321,349

144,321,349
Factor Arrows
373,900,577
Factor Arrows
37105,421
Factor Arrows
472,243

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:

37, 47, 2243

We can check our work by multiplying all of the prime factors together: 37 x 37 x 47 x 2,243 = 144,321,349

This can also be written as 372 x 471 x 2,2431 = 144,321,349

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


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