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Q: What numbers have a HCF of 3 and a LCM of 3?

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3 and 9.

The HCF is always a factor of the LCM of two numbers. The HCF is a factor of both the numbers which are factors of their LCM. Thus the HCF is also a factor of the LCM of the two numbers.

HCF of 17 and 68 is 17 ..( Lowest Prime factor ) LCM Of 102 and 476 is 7*2^2*3*17 which is 1428 .. ==> Sum of HCF and LCM are 1428+17= 1445 .

HCF = 3... LCM = 18 !

5 and 10 lcm- 10 and hcf= 5

Related questions

3 and 9.

The HCF is always a factor of the LCM of two numbers. The HCF is a factor of both the numbers which are factors of their LCM. Thus the HCF is also a factor of the LCM of the two numbers.

3 and 18 do.

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3 and 30

18 and 3

hcf: 1 lcm: 112,038

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