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Earn +20 ptsQ: How can you calculate the HCF of 18 and 42?
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What number goes into 42 and 18 evenly?
The HCF of both numbers is 6
What is the HCF and LCM of 42 and 84?
hcf = 42, lcm = 84.
What is the HCF of 294 and168?
The GCF is 42.
What is the HCF of 42 and 35?
The HCF is 7.
What is the GCF of 18 21 and 42?
gcf(18, 21, 42) = 3. 18 = 2 x 3^2 21 = 3 x 7 24 = 2^3 x 3 hcf = 3
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