Q: What are the prime factors of the number 216,020,416?

 A: 2, 23, 101, 1453

Why are those the prime factors of the number 216,020,416?

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 216,020,416

216,020,416
Factor Arrows
2108,010,208
Factor Arrows
254,005,104
Factor Arrows
227,002,552
Factor Arrows
213,501,276
Factor Arrows
26,750,638
Factor Arrows
23,375,319
Factor Arrows
23146,753
Factor Arrows
1011,453

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, 23, 101, 1453

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 23 x 101 x 1,453 = 216,020,416

This can also be written as 26 x 231 x 1011 x 1,4531 = 216,020,416

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


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