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m and n are two different prime numbers , then the least common multip

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m and n are two different prime numbers , then the least common multip  [#permalink]

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New post 13 Sep 2018, 02:33
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A
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Difficulty:

  15% (low)

Question Stats:

88% (00:22) correct 13% (00:36) wrong based on 18 sessions

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m and n are two different prime numbers , then the least common multiple of the two numbers must equal to which one of the following ?

A) mn
B) m + n
C) m - n
D) m + mn
E) mn + n
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Re: m and n are two different prime numbers , then the least common multip  [#permalink]

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New post 13 Sep 2018, 02:56
selim wrote:
m and n are two different prime numbers , then the least common multiple of the two numbers must equal to which one of the following ?

A) mn
B) m + n
C) m - n
D) m + mn
E) mn + n


Two different prime Numbers have no common factor among them except 1 hence LCM of the two Prime numbers = Product of those two numbers = m*n in this case

Answer: Option A
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Re: m and n are two different prime numbers , then the least common multip   [#permalink] 13 Sep 2018, 02:56
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m and n are two different prime numbers , then the least common multip

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