Question

(a) 5 and 10
(d) 23 and 25
(a) 45 and 30
(b) 25 and 30
(c) 16 and 48
(e) 4 and 6
(f) 18 and 36
Determine the HCF by prime factorisation method.
(b) 40,48 and 72
(c) 64 and 80
(d) 25,40 and 60
(e) 30 and 105
(f) 128, 136 and 512
(g) 480 and 720
(h) 64,96 and 216
(i) 12,36 and 48
Find the HCF of the following numbers.
(a) 30 and 50
(b) 9 and 24 (c) 28 and 35 (d) 98 and 96
(e) 84 and 105
(f) 88 and 110 (g) 64 and 80 (h) 420 and 360
Find the HCF of following pairs of numbers and say if they are coprimes.
(a) 15 and 30
(b) 13 and 18 (c) 17 and 34 (d) 25 and 27
(e) 11 and 17 (f) 21 and 22 (g) 98 and 99 (h) 8 and 12
Find the prime factors of the following numbers by factor tree method.
(b) 63
(c) 56
(d) 90
a) 30
7. Determine the HCF of following pairs by finding factors.​

Answer 1

Answer:

bahut long hai bro kisi aur sa bol doo mitr please