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Two numbers have the LCM of 20 and a HCF of 2 What are they?
2 and 20
2 numbers have the LCM of 30 and an HCF of 3 what are the numbers?
HCF of 3 means that the two numbers share 3 as a prime factor. LCM of 30 means there is a 2, a 3 and a 5 as prime factors between the numbers. With this info, we can have the combination where one number has a 2 and the other a 5 (and both have the 3) or one number has just the 3 and the other has 2, 3 and 5. Thus the 2 numbers can be 6 and 15. Or they can be 3 and 30.
If 13 is HCF of 2 number whose product is 1690 find the LCM?
To find the LCM, you multiply the numbers together and then divide by the HCF. In this case, we don't know the numbers, but we have the HCF (13) and we have the product of the numbers (1690). Thus all you do is divide 1690 by 13 to get: 1690/13 = 130 And thus the LCM of two numbers whose hcf is 13 and product is 1690 is 130.
What is the two numbers whose LCM is 30 and the gcf is 2?
2 and 30 6 and 10
What is the hcf of 14 and 22?
The HCF of both numbers is 2
