Q: What are the prime factors of the number 254,213,274?

 A: 2, 3, 7, 17, 19, 2677

Why are those the prime factors of the number 254,213,274?

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 254,213,274

254,213,274
Factor Arrows
2127,106,637
Factor Arrows
342,368,879
Factor Arrows
76,052,697
Factor Arrows
7864,671
Factor Arrows
1750,863
Factor Arrows
192,677

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, 17, 19, 2677

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 17 x 19 x 2,677 = 254,213,274

This can also be written as 21 x 31 x 72 x 171 x 191 x 2,6771 = 254,213,274

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


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