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Earn +20 ptsQ: What is HCF of 30 and 45?
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What is HCF and LCM of 30 and 45?
To find the HCF you first need to break the numbers down into their prime factors. In this case we have: 30 = 2x3x5 45 = 3x3x5 The next step is to identify any common factors. In this case both numbers have 3 and 5 as prime factors. To find the HCF, multiply these together: 3x5 = 15. To get the LCM, multiply the numbers together then divide by the HCF: 30x45/15 = 90.
What is the HCF of 30 45 75?
The GCF is 15.
What is the HCF of 90 and 210?
The GCF is 30.
What is the hcf of 2030 and 45?
It is: 5
What is the HCF of 45 and 99?
9
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