Q: What are the prime factors of the number 340,243,554?

 A: 2, 3, 7, 23, 67, 751

Why are those the prime factors of the number 340,243,554?

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 340,243,554

340,243,554
Factor Arrows
2170,121,777
Factor Arrows
356,707,259
Factor Arrows
78,101,037
Factor Arrows
71,157,291
Factor Arrows
2350,317
Factor Arrows
67751

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, 23, 67, 751

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 23 x 67 x 751 = 340,243,554

This can also be written as 21 x 31 x 72 x 231 x 671 x 7511 = 340,243,554

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


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