find L.c.m of 28,48 and 72 by prime factorization method.
Answers
Answered by
8
28 =2*2*7
48=2*2*2*3
72=2*2*2*3*3
LCM = 2*2*2*2*3*3*3*7
=3024
48=2*2*2*3
72=2*2*2*3*3
LCM = 2*2*2*2*3*3*3*7
=3024
sabiha2:
but how?
the numbers which are common in all the three first write them with multipilcation sign
then wrte all the numbers which are left and multiply them
sry write
got it ??
yeah thanksss
ok
pls mark as the brainliest
Answered by
7
LCM of 28 = 2 * 2 * 7
LCM of 48 = 2 * 2 * 2 * 2 * 3
LCM of 72 = 2 * 2 * 2 * 3 * 3
LCM of 28,48 and 72 = 2 * 2 * 2 * 2 * 3 * 3 * 7
= 1008.
LCM of 48 = 2 * 2 * 2 * 2 * 3
LCM of 72 = 2 * 2 * 2 * 3 * 3
LCM of 28,48 and 72 = 2 * 2 * 2 * 2 * 3 * 3 * 7
= 1008.
there should be three 3's
I think there should be 2 2
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