The HCF is the Highest Common Factor.
Working it out:
1. Choose two numbers and list all the factors of each number in a straght line like this:
20: 1, 2, 4, 5, 10, 20
15: 1, 3, 5, 15
2. find the highest number that appears in both lines. In this case the answer is 5.
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no button you gotta work it out yaself
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
To have a HCF, you need at least 2 numbers. There is no HCF in just 1 number.
20 and 7 have no common factors other than 1.
The HCF is 5.
the HCF is 6
The HCF is 1
HCF = 14
The HCF of 228 and 240 is 12.
The HCF of 16 & 33 is... 1
HCF(10, 84) = 2 HCF(10, 84) = 2 HCF(10, 84) = 2 HCF(10, 84) = 2
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