1 and 5
It depends on how many numer combinations you are looking for. If you are looking at combinations of any size, the answer is 265 which includes the null combination - the combination of no numbers out of 65.
1, 5, 13, 31, 65, 155, 403, 2015
That's an infinite list.
The factors of 65 are 1, 5, 13, and 65.
1, 5, 13, 65.
The numbers that go into 130 are the numbers that divide 130 evenly without leaving a remainder. These numbers are 1, 2, 5, 10, 13, 26, 65, and 130. This is because these numbers can be multiplied by another number to equal 130.
1 and 5
65 can be divided by an infinite number of different numbers.If we consider only positive whole numbers, then we're looking for the "factors" of 65.They are: 1, 5, 13, and 65.
23, 97 and 47 are prime numbers. They are only divisible by them and 1 number.
The average of 56, 62, 65, 68, and 74 is 65. The average is calculated by adding up all the numbers and dividing by the total count of numbers.
All of them except 67, 71 and 73 which are prime numbers
Just 17.
It depends on how many numer combinations you are looking for. If you are looking at combinations of any size, the answer is 265 which includes the null combination - the combination of no numbers out of 65.
38.25 is the average The way you do it is...add all the numbers, then divide that number by the numbers of numbers you just added. 65+49+24+15=153 153/4=38.25
1, 5, 13, 31, 65, 155, 403, 2015
1, 2, 5, 10, 13, 26, 65, 130.