Q: What are the prime factors of the number 277,702,461?

 A: 3, 19, 47, 109, 317

Why are those the prime factors of the number 277,702,461?

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 277,702,461

277,702,461
Factor Arrows
392,567,487
Factor Arrows
330,855,829
Factor Arrows
191,623,991
Factor Arrows
4734,553
Factor Arrows
109317

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, 19, 47, 109, 317

We can check our work by multiplying all of the prime factors together: 3 x 3 x 19 x 47 x 109 x 317 = 277,702,461

This can also be written as 32 x 191 x 471 x 1091 x 3171 = 277,702,461

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


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