Q: What are the prime factors of the number 140,101,344?

 A: 2, 3, 83, 5861

Why are those the prime factors of the number 140,101,344?

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 140,101,344

140,101,344
Factor Arrows
270,050,672
Factor Arrows
235,025,336
Factor Arrows
217,512,668
Factor Arrows
28,756,334
Factor Arrows
24,378,167
Factor Arrows
31,459,389
Factor Arrows
3486,463
Factor Arrows
835,861

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, 83, 5861

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 83 x 5,861 = 140,101,344

This can also be written as 25 x 32 x 831 x 5,8611 = 140,101,344

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


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