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225 is composite. The last digit is 5, so it is divisible by 5. Therefore it is composite. In fact, it is 15 squared. In contrast, a Prime number is a number that is divisible only by 1 and itself; it has no other factors. The factors of 225 are 1, 3, 5, 9, 15, 25, 45, 75, and 225. Therefore, 225 is a composite number.
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Is one composite or prime both prime and composite or neither prime or composite?
neither prime or composite
Is 17 prime or composite number?
It is prime
What is a list of prime numbers and composite numbers?
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
Is 2401 a prime or composite number?
composite
Is 555 a prime or composite?
It is a composite number.
