771 is a composite number. Its prime factors are 3, 257
257 is prime because it only has two factors.
1 and 257. It is a prime.
4, composite. 67, prime.
Prime
257 is prime. It is only evenly divisible by itself and one.257 is prime.
771 is a composite number. Its prime factors are 3, 257
257 is prime because it only has two factors.
257 is a prime number; its only factors are 1 and itself. The two factors of 257 are 1 and 257. There are only two factors of a prime number.The only factor pair of 257 is 1 x 257. There is only one factor pair of a prime number.The proper factors of 257 are only 1 or,if the definition you are using excludes 1, there are none.The only prime factor of 257 is 257. There is only one prime factor of a prime number - itself.The distinct prime factor of 257 is also 257, since there is no repetition of factors.The prime factorization of 257 is 257. In some cases, to emphasize that it is prime, you might write the prime factorization as 1 x 257.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.
neither prime or composite
It is prime
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
1 and 257. It is a prime.
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.
5 prime, 25 composite.