Q: What are the prime factors of the number 285,421,206?

 A: 2, 3, 7, 67, 101429

Why are those the prime factors of the number 285,421,206?

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 285,421,206

285,421,206
Factor Arrows
2142,710,603
Factor Arrows
347,570,201
Factor Arrows
76,795,743
Factor Arrows
67101,429

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, 3, 7, 67, 101429

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 67 x 101,429 = 285,421,206

This can also be written as 21 x 31 x 71 x 671 x 101,4291 = 285,421,206

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


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