A few days ago
Please help me to find LCD for numbers:2,60,18,45?
I am doing my math test right now
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A few days ago
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You asked: “Please help me to find LCD for numbers:2,60,18,45?”.
LCD (least/lowest common denominator) is used for fractions, not whole numbers, as seen at http://en.wikipedia.org/wiki/Lowest_common_denominator
You probably meant to ask for the GCD (Greatest common divisor) of the numbers.
http://en.wikipedia.org/wiki/Greatest_common_divisor
To find the GCD, start by writing the prime factorizations of each number in the list:
02 = 1*2
60 = 1*2*2*3*5
18 = 1*2*3*3
45 = 1*3*3*5
The GCD is the product of the primes (with repetition) that are common to all of them: In this case, that is “1”
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