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Earn +20 ptsQ: What least number can both go into 21 and 40?
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How do you find the least common multiple of 5 and 40?
40 Least Common Multiple for two numbers is a number that is divisible exactly by both of the 2 considered numbers. Since 40 here is a multiple of 5, 40 is the smallest number that is divisible by both 5 and 40.
Which number between 20 and 40 is both a triangular number and a square number 36 or 25 or 21 or 35?
36 is the only square number that is also a triangular number between 20 and 40.
What is the prime number of 21 and 40?
They are: 3*7 = 21 and 2*2*2*5 = 40
How can you convert 21 over 40 into a mixed number?
21/40 is less than 1 and so it can't be expressed as a mixed number
What number multiplied by 42 gives you 40?
20/21 times 42 = 40
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