Question

H.C.F of 2 numbers are 13 and 1989 respectively.if 1 number is 117 and the second number 221.
How can 221 be the second number​

Answer 1

Answer:

Let the two numbers are a,and b

a=117, b=?

hcf =13

lcm =1989

product of the given numbers= lcm * hcf

a*b =lcm *hcf

117*b= 1989*13

b= 1989*13/117

b=17*13

b=221

therefore

second number =b=221

Step-by-step explanation:

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