which number is a factor or 20 but not a multiple of 2?

The number 5 is the factor of 20, but it is not a multiple of 5.What are factors?A factor is a number or an expression of algebra which divides to another number with no remainder at its end, called factors.Like:3 and 6 are the factors to 12.So, according to the given question:1, 2, 4, 5, 10, 20 all are the factors of 20, and2,4,10,20 are the multiples of 20So, according to the given question,1 and 5 are the factors of 20 and not the multiple of 20.Hence, 1 and 5 are the two numbers which are the factors of 20 but not its multiple.Learn more about factors, refer:https://brainly.com/question/6810544

Factors of 20:1,2,4,5,10,20Multiples of 2 are any even number, so it has to be an odd number.Therefore the only number that is a factor of 20 and not a multiple of 2 is 5.