Question

if two number are respectively 121 and 143 .if its L.C.M is 1573 . find its H.C.F .
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Answer 1

after writing the two numbers ,divide by the LCM

your will be comes

Answer 2

Answer:

• the factors of 121 are 1, 11
• the factors of 143 are 1, 11, 13
• the common number is 11 so 11×11=the H.C.F
• So 11×11=121
• therefore 121 is the H.C.F of 121 and 143