Q: What are the prime factors of the number 70,556,871?

 A: 3, 7, 11, 305441

Why are those the prime factors of the number 70,556,871?

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 70,556,871

70,556,871
Factor Arrows
323,518,957
Factor Arrows
73,359,851
Factor Arrows
11305,441

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:

3, 7, 11, 305441

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 305,441 = 70,556,871

This can also be written as 31 x 71 x 111 x 305,4411 = 70,556,871

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


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