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Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Select the common factors.
2 x 3 = 6, the GCF
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What button on a calculator does for HCF?
no button you gotta work it out yaself
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What is the LCM of 6and 34?
To work this out, you first have to give the numbers as their prime factors: 6 = 2x3 34 = 2x17 The next step is to identify the HCF. In this case, the HCF is 2. Finally, you multiply the numbers together and divide by the HCF: 6x34/2 = 102
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What is the hcf of 196?
i really need help on maths home work can you help me thank you the maths is hcf of prime factors of 196 60 and 28 primes factors 735 and 639 prim factors
