0
Nothing..
Because 21 is a Prime number
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Earn +20 ptsQ: What number goes into 10 and 21?
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What number goes into 12 and 21?
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!
What number goes into 21 and 40?
The number is 1.
How many times does 10 go in to 210?
10 goes into 210 21 times
What both goes into 10 and 21?
I was helping my kid out they had a question close to this and I wonder what does go into 10 and 21
What number goes into 14 and 21?
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