5. Give two examples of twin
5. HCF of 22, 44 and 88 is 2
7. LCM of 10, 15 and 20 is
The number which is neither
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Answer:
HCF OF 22,44,88 IS 1 AND LCM OF 10,15,2O IS 12
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LCM of 10,15 and 20 is 60
- LCM means lowest common multiple
- LCM is the lowest of their common multiples.
- Let us proceed by the prime factorization method.
- Let us write 10, 15 and 20 as the product of prime numbers
- 10 =2*5
- 15 = 3*5
- 20 = 2*2*5
- 10*15*20 = 2*5*3*5*2*2*5
- LCM of 10,15, 20 = 2*2*3*5 = 60
- #SPJ3
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