7 times 3=21, so 21 is part of the answer somehow. However, 21 is an odd number.
Now, if we multiply 21 X 2= 42 The answer is an even number.
42/3=14 has no remainder
42/7=6, again no remainder
So 42, and any whole multipleof 42, would be a satisfactory answer.
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Any even number can be divided by two without a remainder.
even
Any number that can be divided by 2 without having a remainder is considered an even number
It is an even number as it can be divided by 2 without a remainder.
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 8256 is an even number.