LXERLISLE
372
630
30
2
11
10
1. Write the prime factors of the following numbers:
a) 216
(b)
132
512
2. Find the common factors of the following pairs of numbers:
(a) 44, 72
(b) 48, 64
(c) 75,105
(d) 18,24
(e) 32, 48
Find the HCF of the following numbers using the prime factorization method:
18. 118
(b) 27, 102
(c) 250, 450
(d) 144, 372 (e) 25,27
4. Find the HCF of the following using long division method:
575, 920
(b) 240, 1024 (c) 1379, 2401 (d) 320, 420, 180
5. Find the greatest number which can divide 36,81, and 108.
Find the greatest number which can divide 89, 53, and 77 leaving a remainder 5 in each case.
Find the greatest number which can divide 78, 230, and 682 leaving remainders 3, 5, and 7 respectively.
8. Find the greatest number that divides 247 and 1031 leaving a remainder 7 in each case.
9. Find the HCF of 360, 405, and 495.
10. Find the greatest number that will divide 76, 113, and 186 leaving remainders 4, 5, and 6 respectively.
of 5= 5,10,15,20,25,30, 35,
Answers
Answer:
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