48 has factors other than 1 and itself, so it is not a Prime number. It is an even number that is greater than 2, so it also has 2 as a factor. Therefore, it is a composite number. All even numbers greater than 2 are composite numbers.
No number that ends in an '8' can be prime; it is at least divisible by 2. Use this kind of thinking to derive the other factors of 48.
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48 is a composite number because it can be divided by more than two numbers besides 1 and 48. (6x8=48)
As an even number greater than 2, 48 is a composite number. Its factors are:
1, 2, 3, 4, 6, 8, 12, 18, 24, 48
48 is a composite number. This is because composite numbers are any number that has more than two factors (one and itself). Therefore, since there are many factors of 48 besides one and itself including 2, 3, and 4, that makes it a composite number.
A prime number is a number that is divisible only by 1 and itself; it has no other factors. A composite number is a number that is divisible by more than two numbers - more than 1 and itself. The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. Therefore, it is a composite number.
It is prime
86 is not a prime number, so is a composite.
No 168 is not a prime number it is a composite number