1, 2, 3, 6, 7, 14, 21, 42
6 + n = 21
21 is composite number because it has more than one number that goes into it
1 and 3
No even number gose in 21. In fact there is none that goes in 21, either.
The only number that goes into both 5 and 21 is 1.
6/21 reduces to 2/7 ( divide by 3) 21/6 = 3 3/6 = 3 1/2 . ( divide 6 into 21-- it goes time with a remainder of 3. )
1, 2, 3, 6, 7, 14, 21, 42
Nothing.. Because 21 is a Prime number
There is no number that goes into both. must be a trick questionthis is another person not the same one :)the number that goes into 12 and 21 is 3 which is a 5th grade problemwho ever said theres no number that goes into 12 and 21 is WRONG!
The number is 1.
It is the number 1
6 + n = 21
1 and 3
21 is composite number because it has more than one number that goes into it
6 is less than 21. Out of that set, 6 is the least number. The least common multiple of 6 and 21 is 42.
No even number gose in 21. In fact there is none that goes in 21, either.