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08 Jul 2022, 20:30
Kudos
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
93% (00:43) correct
7%
(00:46)
wrong
based on 74
sessions
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What is the least positive integer that is divisible by each of the integers 1 through 6, inclusive?
(A) 60
(B) 120
(C) 180
(D) 240
(E) 360
(A) 60
(B) 120
(C) 180
(D) 240
(E) 360
KabirKanha
GMAT 1: 780 Q51 V46
Posts: 32
08 Jul 2022, 22:01
Kudos
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Prime factorising all the numbers:
2 = 2
3 = 3
4 = 2 x 2
5 = 5
6 = 2 x 3
Collecting the prime factors for LCM (Counting common ones only once), we get 2 x 2 x 3 x 5 = 60
Option A
2 = 2
3 = 3
4 = 2 x 2
5 = 5
6 = 2 x 3
Collecting the prime factors for LCM (Counting common ones only once), we get 2 x 2 x 3 x 5 = 60
Option A
