no 5 is not a composite number 10 15 20 and 25 are composite
6 8 9 10 12 14 15
9, 15, 45 are the composite factors of 45.
6 8 9 10 12 14 15 16
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
15 is a composite number because it has more than two factors. Its factors are 1, 3, 5, and 15.15 is a composite number as it is divisible by 1, 3, 5 and 15.composite. 3*5=1515 is a composite number because it has more than 2 factors
2/5 are prime, 8/15 are composite (and 1/15 is neither).
Real numbers, Rational numbers, Integers, Counting numbers, Composite numbers, multiples of 5.
To find a composite number, think of two numbers that can be multiplied to equal that number. For example, 15 is a composite number because its factors are 1, 3, 5 and 15. For a number to be composite, it should have more than two factors.To know 15 is a composite number, know:1 x 15=153 x 5 =15All composite numbers have more than two factors whereas prime numbers have only two factors.
No.
Prime numbers are those that are not composite. The only prime numbers in this range are 3, 5, and 7.
There are 12 such numbers (excluding 24).