Is 69 a prime number?

Answer 1

Emery Allen

No, 69 is a composite number.

69 is divisible by 3.

#69 -: 3 = 23#

Since 69 has a factor 3 that is neither 1 nor itself, 69 is not a prime number.

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Answer 2

Noah Archer

Yes, 69 is not a prime number. It can be factored as $3 \times 23$ , so it has divisors other than 1 and itself, making it a composite number.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.