find LCM and HCF of 12, 15, 21 by prime factorisation method
Answers
Answered by
11
420 is the correct answer
i hope you got it
Answered by
4
Answer:
the answer is 420
Step-by-step explanation:
SOLUTION :
12 = 2 x 2 x 3 = 2² × 3¹
15 = 3 x 5 = 3¹ × 5¹
21 = 3 x 7 = 3¹ × 7¹
L.C.M of 12, 15 and 21 = 420.
H.C.F of 12, 15 and 21 = 3.
17 = 1 x 17.
23 = 1 x 23.
that is answer ಥ‿ಥ
Similar questions