Q: What are the prime factors of the number 246,155,322?

 A: 2, 3, 7, 2441

Why are those the prime factors of the number 246,155,322?

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 246,155,322

246,155,322
Factor Arrows
2123,077,661
Factor Arrows
341,025,887
Factor Arrows
75,860,841
Factor Arrows
7837,263
Factor Arrows
7119,609
Factor Arrows
717,087
Factor Arrows
72,441

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, 2441

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 7 x 7 x 7 x 2,441 = 246,155,322

This can also be written as 21 x 31 x 75 x 2,4411 = 246,155,322

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


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