What is the Hcf of 70,210,315
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Answer:
The highest common factor is found by multiplying all the factors which appear in both lists: So the HCF of 60 and 72 is 2 × 2 × 3 which is 12. The lowest common multiple is found by multiplying all the factors which appear in either list: So the LCM of 60 and 72 is 2 × 2 × 2 × 3 × 3 × 5 which is 360.
now do it yourself...
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35
Prime factorization of the numbers:
70 = 2 × 5 × 7
210 = 2 × 3 × 5 × 7
315 = 3 × 3 × 5 × 7
GCF(70, 210, 315)
= 5 × 7
= 35
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