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Q: What is the greatest prime number of 68?

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nothing, because seventeen is a prime number.

68 is not prime. 68 = 2 * 2 * 17

No, it is not a prime number.

17

There is no greatest prime number.

68 is composite and 79 is prime

8243 is a prime number, but there is no greatest prime number.

2

68 is, in fact, a composite number.

68 is a Composite Number.

17 is a prime number but 68 is Composite.

The greatest prime number of 5141 is 71.

43 is the greatest prime number of 860

68 is a composite number because it has more than two factors and it is not a prime or a square number

well in the number 7493 the number 7 is the greatest prime number

71 is prime.

The sum of the prime numbers 2, 5, and 61 is 68.

A prime number is one that only has factors of 1 and its self (3 is a prime number because you can only multiply 1 and 3 to get it). Since you can multiply 1 and 68, 2 and 34 or 4 and 17 to get 68 it is not a prime number.

No, it is composite.

The greatest prime number below 25 is 23.

79 is prime.

2 x 2 x 17 = 68

Though we do not know the greatest (known) prime number, there is no reason or proof that a larger one does not exist.So there is no greatest prime number any more than there is a greatest number.

2

No, 42 and 68 are not relatively prime. They have more than the number 1 as a common factor.