Do the numbers 1 5 and 15 list all the factors of a composite number?

• Do the numbers 1 5 and 15 list all the factors of a composite number?

All Factors of a Number ... It works on numbers up to 4,294,967,295 but cannot do some numbers if there are a ... All the factors of 20. Start at 1: ...
Positive: 83 %
... while 15 has 5 and 3 as factors ... so it is a composite number. The first composite numbers ... Taking all the crossed out numbers, we get a list ...
Positive: 80 %

More resources

Example 1 (a) List the factors of the numbers 1, 2, 3, ... 5, 9, 15 and 45; 45 is not a prime number. ... 1. (a) List all the factors of each of the ...
Positive: 83 %
The opposite of prime numbers are composite ... The number 15 has divisors of 1,3,5,15 ... 1,13. 13/1=13. 13/13=1. So 13 is a prime number. Prime numbers list.
Positive: 78 %
How to Factor a Number. ... A number that isn't prime is called composite. (The number 1 itself, ... sometimes called the "counting numbers": 1, 2, 3, 4, 5 ...