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Q: Is 521 prime or composite

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No, it is composite. Its Prime Factors are 11 and 521.

It is: 1*521 = 521 which is a prime number

27 is composite. 27 = 3 * 3 * 3 = 3315 is composite. 15 = 3 * 521 is composite. 21 = 3 * 723 is a prime number. It is only evenly divisible by itself and one.

It is a prime number

composite

neither prime or composite

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.

Prime

1042 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 4 factors of 1042 are 1, 2, 521, and 1042.The factor pairs of 1042 are 1 x 1042 and 2 x 521.The proper factors of 1042 are 1, 2, and 521 or,if the definition you are using excludes 1, they are 2 and 521.The prime factors of 1042 are 2 and 521.The 2 distinct prime factors (listing each prime factor only once) of 1042 are 2 and 521.The prime factorization of 1042 is 2 x 521.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.

Prime or composite! composite is not the answer da

No. The Prime Factors are: 11 x 521.

Composite

It is a composite number.

One is not prime and not composite.

Composite

composite

no 9750 is not composite it is prime

is 71 a prime or a composite

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.

5 prime, 25 composite.

It is composite.

composite composite

composite

composite