find LCM and HCF 28,36,45,60
Answers
Answered by
3
Answer:
28=2×2×7
36=2×2×3×3
45=5×3×3
60=5×3×3
HCF=1
LCM=1
Answered by
0
Answer:
LCM of 28,36,45,60 is 1260
HCF of 28,36,45,60 is 1
Step-by-step explanation:
Prime factorization of the numbers:
28 = 2 × 2 × 7
36 = 2 × 2 × 3 × 3
45 = 3 × 3 × 5
60 = 2 × 2 × 3 × 5
LCM(28, 36, 45, 60)
= 2 × 2 × 3 × 3 × 5 × 7
= 1260
The factors of 28 are: 1, 2, 4, 7, 14, 28
The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36
The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Then the greatest common factor is 1.
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