Q: What are the prime factors of the number 342,133,400?

 A: 2, 5, 7, 244381

Why are those the prime factors of the number 342,133,400?

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 342,133,400

342,133,400
Factor Arrows
2171,066,700
Factor Arrows
285,533,350
Factor Arrows
242,766,675
Factor Arrows
58,553,335
Factor Arrows
51,710,667
Factor Arrows
7244,381

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, 5, 7, 244381

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 7 x 244,381 = 342,133,400

This can also be written as 23 x 52 x 71 x 244,3811 = 342,133,400

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


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