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Earn +20 ptsQ: What number is a multiple of both 3 and 7?
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What number is divisible by 3 and 7?
A number that is divisible by both 3 and 7 must be a multiple of their least common multiple, which is 21. Therefore, any number that is a multiple of 21 will be divisible by both 3 and 7. Examples of such numbers include 21, 42, 63, 84, and so on.
Least common multiple of 3 and 7?
The (LCM) Least Common Multiple of 7 and 3 is 21 because that is the LEAST number that both 3 and 7 go into.
Which number is a common multiple of 7 and 4?
The smallest number which is a common multiple of both 7 and 4 is 28.
What number does 7 and 15 go into?
The smallest number into which both 7 and 15 can be divided evenly is 105.
What is the smallest number that is a multiple of both 5 and 7?
The lowest common multiple of 5 and 7 is 35.
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