Is 9 and 28 coprime number.

1.	Is 9 and 28 coprime number.
A.	True
B.	FalseView AnswerAnswer: aExplanation: Coprime numbers have GCD 1 and LCM is the product of the two given terms. So 9 and 28 are coprime numbers.11. What is the following expression, lcm (a, lcm (b,
C.	equal to?a) lcm (a, b, c)b) abcc) a + b + c
D.	lcm (lcm (a, b), c)
Answer» E.

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