Why is 51 is a composite?

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asked Feb 26, 2018 17.5k views

2 Answers

Fernando Pie · Answer 1 · 2018-02-28T02:49:39+0000

"A number is considered composite if it has factors that are not one and itself, 51 happens to equal 17 x 3, making it not prime and therefore composite. 51 mod 3 is 0.""

So, yes, 51 is composite.

Maqsood Ahmed · Answer 2 · 2018-03-02T07:41:18+0000

Because it can be divided by 3 and 17. Prime means it is only divided by 1 and itself (example would be 3). That's why 51 is composite.

Why is 51 is a composite?

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