Composite
divisible by at least 5
605 is composite. (All whole numbers ending in 5 are composite numbers, except the number 5 itself.).
It is a composite number, not a prime number.
Yes.
No, 605 is not a prime number. It is divisible by 5 and 11, among other factors.
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
5 x 11 x 11 = 605
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.
The factors of 605 are: 1 5 11 55 121 605 The prime factors are: 5 x 11 x 11 The prime factorisation of 605 goes as follows: 605 is not evenly divisible by 2 or by 3. 605 divided by 5 gives 121 121 is not evenly divisible by 5, or by 7. 121 divided by 11 gives 11 11 divided by 11 gives 1. So, the prime factors of 605 are 5, 11 and 11.