0
3 - 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102... etc.
30/7= 4.28 No
60/7 = 8.57 No
90/7 = 12.85No
120/7 = 17.14 No
150/7 = 21.42 No
180/7 = 25.71 No
210/7 = 30 Yes
the LCM ending in a zero is 210
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Earn +20 ptsQ: What is the LCM of 3 7 and 18?
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What is the LCM of 18 21 use prime factorizations?
2 x 3 x 3 = 18 3 x 7 = 21 2 x 3 x 3 x 7 = 126, the LCM
What is the LCM of 21 and 18 using prime factorization?
18 = 2 x 3 x 3; 21 = 3 x 7. Common factor is 3 so LCM = 18 x 21/3 = 126
What are the LCM of 2 and 3 and 6?
The LCM of 2, 3 and 6 is 6.
What is LCM of 7 18 and 21?
126
What is the LCM of 23 3 7 and 22 32 7.?
The LCM of 2^3 x 3 x 7 and 2^2 x 3^2 x 7 is 2^3 x 3^2 x 7 The LCM of 168 and 252 is 504
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