2) Find first 6 common multiplies of
a) 2, 3 and 5
b) 3, 4 and 9
c) 5 and 7
3) Write the prime factorization of
a) 60
b) 880
c) 1220
4) What are co-prime numbers? Give examples.
5) Find HCF of
a) 12, 15 and 30
b) 36 and 45
c) 18, 54 and 81
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2) Find first 6 common multiplies of
a) 2, 3 and 5
b) 3, 4 and 9
c) 5 and 7
3) Write the prime factorization of
a) 60
b) 880
c) 1220
4) What are co-prime numbers? Give examples.
5) Find HCF of
a) 12, 15 and 30
b) 36 and 45
c) 18, 54 and 81
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Answer:
2)a. 30,60,90,120,150,180
b. 36,72,108,144,180,216
c. 35,70,105,140,175,210
3)a. 2 | 60
2 | 30
3 | 15
5 | 5
| 1
b. 2 | 880
2 | 440
2 | 220
2 | 110
5 | 55
11 | 11
| 1
c. 2 | 1220
2 | 610
5 | 305
61 | 61
| 1
4) The numbers which have no common factor other than one are co prime numbers...
5) a. 3
b. 9
c. 9
Step-by-step explanation:
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Answer:
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