Q: What are the prime factors of the number 151,224,246?

 A: 2, 3, 61, 5101

Why are those the prime factors of the number 151,224,246?

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 151,224,246

151,224,246
Factor Arrows
275,612,123
Factor Arrows
325,204,041
Factor Arrows
38,401,347
Factor Arrows
32,800,449
Factor Arrows
3933,483
Factor Arrows
3311,161
Factor Arrows
615,101

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, 61, 5101

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 61 x 5,101 = 151,224,246

This can also be written as 21 x 35 x 611 x 5,1011 = 151,224,246

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


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