Q: Which number goes into 21 and 18?

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The number of times 18 can go into 21 is 1. This is because 18 is the largest multiple of 18 that is less than or equal to 21. When 18 is divided into 21, it goes in once with a remainder of 3.

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.

21 goes into 165 7 times with 18 remaining 165 - 18 = 147 = 21 x 7

Related questions

The only number that goes into 18 and 31 is 1.

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!

19.5 is halfway between 18 and 21

The number is 1.

It is the number 1

21 goes into 165 7 times with 18 remaining 165 - 18 = 147 = 21 x 7

21 is composite number because it has more than one number that goes into it

No even number gose in 21. In fact there is none that goes in 21, either.

The number is 1.

The number is 1.

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