Q: What are the prime factors of the number 251,041,203?

 A: 3, 7, 3984781

Why are those the prime factors of the number 251,041,203?

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 251,041,203

251,041,203
Factor Arrows
383,680,401
Factor Arrows
327,893,467
Factor Arrows
73,984,781

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:

3, 7, 3984781

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 3,984,781 = 251,041,203

This can also be written as 32 x 71 x 3,984,7811 = 251,041,203

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


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