Composite. Its factors are 5 , 5 , 41
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1025 is a composite number. This is because composite numbers are any number that has another factor besides one and itself. Therefore, since 5, 25, 41, and 205 are factors of 1025 that makes it a composite number.
The only prime number that ends in 5 is 5.
Yes.
Yes, all whole numbers ending in five (except the number five itself) are composite.
4, composite. 67, prime.