Q: What are the prime factors of the number 207,401,614?

 A: 2, 7, 53, 73, 547

Why are those the prime factors of the number 207,401,614?

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 207,401,614

207,401,614
Factor Arrows
2103,700,807
Factor Arrows
714,814,401
Factor Arrows
72,116,343
Factor Arrows
5339,931
Factor Arrows
73547

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, 7, 53, 73, 547

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 53 x 73 x 547 = 207,401,614

This can also be written as 21 x 72 x 531 x 731 x 5471 = 207,401,614

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


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