Q: What are the prime factors of the number 801,402,602?

 A: 2, 7, 11, 13, 151, 241

Why are those the prime factors of the number 801,402,602?

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 801,402,602

801,402,602
Factor Arrows
2400,701,301
Factor Arrows
757,243,043
Factor Arrows
115,203,913
Factor Arrows
11473,083
Factor Arrows
1336,391
Factor Arrows
151241

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, 7, 11, 13, 151, 241

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 11 x 13 x 151 x 241 = 801,402,602

This can also be written as 21 x 71 x 112 x 131 x 1511 x 2411 = 801,402,602

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


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