Math, asked by amirrock8123, 5 months ago

If the LCM of two numbers 4 and 5 is 20. What is their HCF.​

Answers

Answered by Anonymous
3

a x b = hcf x lcm

=> 4 x 5 = hcf x 20

=>20 = hcf x 20

=> hcf = 20/20

=> hcf = 1

Answered by Anonymous
3

They both are prime numbers (4,5) and have no common multiple other than 1:

5=1*5

4=2*2*1

therefore their HCF is 1.

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