Q: What are the prime factors of the number 196,115,654?

 A: 2, 7, 271, 51691

Why are those the prime factors of the number 196,115,654?

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 196,115,654

196,115,654
Factor Arrows
298,057,827
Factor Arrows
714,008,261
Factor Arrows
27151,691

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, 271, 51691

We can check our work by multiplying all of the prime factors together: 2 x 7 x 271 x 51,691 = 196,115,654

This can also be written as 21 x 71 x 2711 x 51,6911 = 196,115,654

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


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