Q: What are the prime factors of the number 300,257,244?

 A: 2, 3, 7, 47, 101, 251

Why are those the prime factors of the number 300,257,244?

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 300,257,244

300,257,244
Factor Arrows
2150,128,622
Factor Arrows
275,064,311
Factor Arrows
325,021,437
Factor Arrows
38,340,479
Factor Arrows
71,191,497
Factor Arrows
4725,351
Factor Arrows
101251

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, 7, 47, 101, 251

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 47 x 101 x 251 = 300,257,244

This can also be written as 22 x 32 x 71 x 471 x 1011 x 2511 = 300,257,244

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


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