Q: What are the prime factors of the number 277,274,421?

 A: 3, 14087

Why are those the prime factors of the number 277,274,421?

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 277,274,421

277,274,421
Factor Arrows
392,424,807
Factor Arrows
330,808,269
Factor Arrows
310,269,423
Factor Arrows
33,423,141
Factor Arrows
31,141,047
Factor Arrows
3380,349
Factor Arrows
3126,783
Factor Arrows
342,261
Factor Arrows
314,087

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:

3, 14087

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 14,087 = 277,274,421

This can also be written as 39 x 14,0871 = 277,274,421

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


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