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Q: Is a 168 a prime number?

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No 168 is not a prime number it is a composite number

168 is not prime. 168 = 2 * 2 * 2 * 3 * 7

2,3 & 7 are the prime factors of 168.

211 is a prime number.

7

no because you can divide it by 2 and a prime number is a number that can only divided by 1 and itself

168

To find the prime factors of a number, divide the number by each prime number up to the greatest prime that will go into the number leaving no remainder. This is the process for factorization of 168: 168/2=84 84/2=42 42/2=21 21/3=7 7/7=1 Listing each divisor as a prime factor, the prime factors of 324 iare 2x2x2x3x7.

211 is the only of the given numbers that is prime.

No because it has more than 2 factors so it is a composite number

As a product of its prime factors: 2*2*2*3*7 = 168

The product of any set of prime factors is equal to the number itself. 168 is equal to 2 x 2 x 2 x 3 x 7.

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