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Q: Is 321 prime or composite

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It is a composite number.

321 = 3*107.

4, composite. 67, prime.

Prime

1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.

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It is a composite number.

No, 321 is composite. 3 x 107 precludes 321 from being prime on the basis that prime numbers may only consist of a factor of one and itself.

642 is composite. It is divisible by 2, 3, 107, 214, and 321.

321 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 4 factors of 321 are 1, 3, 107, and 321.The factor pairs of 321 are 1 x 321 and 3 x 107.The proper factors of 321 are 1, 3, and 107 or,if the definition you are using excludes 1, they are 3 and 107.The prime factors of 321 are 3 and 107.The distinct prime factors (listing each prime factor only once) of 321 are also 3 and 107.The prime factorization of 321 is 3 x 107.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.

It is prime

neither prime or composite

321 = 3*107.

It would be impossible to list them all, since numbers go on forever, but here are some of them: 2 - Prime 3 - Prime 4 - Composite 5 - Prime 6 - Composite 7 - Prime 8 - Composite 9 - Composite 10 - Composite 11 - Prime 12 - Composite 13 - Prime 14 - Composite 15 - Composite 16 - Composite 17 - Prime 18 - Composite 19 - Prime 20 - Composite 21 - Composite 22 - Composite 23 - Prime 24 - Composite 25 - Composite 26 - Composite 27 - Composite 28 - Composite 29 - Prime 30 - Composite 31 - Prime 32 - Composite 33 - Composite 34 - Composite 35 - Composite 36 - Composite 37 - Prime 38 - Composite 39 - Composite 40 - Composite 41 - Prime 42 - Composite 43 - Prime 44 - Composite 45 - Composite 46 - Composite 47 - Prime 48 - Composite 49 - Composite 50 - Composite

4, composite. 67, prime.

321 = 3 x 107

Prime

1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.

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