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Earn +20 ptsQ: What is the HCF of 15 27 and 30?
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What is the HCF of 15 27 36?
3
What is the HCF of 15 and 27?
The GCF is 3.
What is the hcf and the LCM of 10 and 15?
5 and 30, respectively.
I need to know which pair of numbers in relatively prime 10 and 21 or 12 and 54 or 15 and 27 or 21 and 38?
hcf(10, 21) = 1 ⇒ 10 & 21 relatively prime hcf(12, 54) = 6 ⇒ 12 & 54 not relatively prime hcf(15, 27) = 3 ⇒ 15 & 27 not relatively prime hcf(21, 38) = 1 ⇒ 21 & 38 relatively prime
How do you find the ratio of 405 and 660?
It is: 27 to 44 by dividing them by their hcf which is 15
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