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There is only 1 pair of primes and they are 2*5.
3 pairs 1 times 12, 2 times 6, and 3 times 4
43
The number of combinations of six numbers that can be made from seven numbers will depend on if you can repeat numbers. In all there are over 2,000 different numbers that can be made.
1,00
Assuming the 36 numbers are all different, there are 36*35/2 = 630 pairs.
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Eight has two factor pairs. Including their negative counterparts, that makes four pairs.
There is only 1 pair of primes and they are 2*5.
3 pairs 1 times 12, 2 times 6, and 3 times 4
If there are n numbers in the group, there aren2 ordered pairs if the numbers can be repeated,n*(n-1) ordered pairs if the numbers cannot be repeated,n2/2 pairs if the numbers can be repeated,n*(n-1)/2 pairs if the numbers cannot be repeated.
Different organisms have different numbers of chromosomes. For example, humans have 23 pairs of chromosomes (46 total) while cows have 30 pairs (60 total) and goldfish have 50-52 pairs (100-104 total).
43
There are 8 different pairs of whole numbers whose prodcut is 40. Allowing for commutativity (a*b = b*a), there are 16 possible ways.
The number of combinations of six numbers that can be made from seven numbers will depend on if you can repeat numbers. In all there are over 2,000 different numbers that can be made.
Infinite