17MAR21WED

No. of pairs : 2, 25 = 1 * 25

= 5 * 5

No. of pairs : 4, 24 = 1 * 24

= 2 * 12

= 3 * 8

= 4 * 6

No. of pairs : 1, 23 = 1 * 23

No. of pairs : 2, 22 = 1 * 22

= 2 * 11

No. of pairs : 2, 21 = 1 * 21

= 3 * 7

No. of pairs : 3, 20 = 1 * 20

= 2 * 10

= 4 * 5

No. of pairs : 1, 19 = 1 * 19

No. of pairs : 3, 18 = 1 * 18

= 2 * 9

= 3 * 6

No. of pairs : 1, 17 = 1 * 17

No. of pairs : 3, 16 = 1 * 16

= 2 * 8

= 4 * 4

No. of pairs : 2, 15 = 1 * 15

= 3 * 5

No. of pairs : 2, 14 = 1 * 14

= 2 * 7

No. of pairs : 1, 13 = 1 * 13

No. of pairs : 3, 12 = 1 * 12

= 2 * 6

= 3 * 4

No. of pairs : 1, 11 = 1 * 11

No. of pairs : 2, 10 = 1 * 10

= 2 * 5

No. of pairs : 2, 9 = 1 * 9

= 3 * 3

No. of pairs : 2, 8 = 1 * 8

= 2 * 4

No. of pairs : 1, 7 = 1 * 7

No. of pairs : 2, 6 = 1 * 6

= 2 * 3

No. of pairs : 1, 5 = 1 * 5

No. of pairs : 2, 4 = 1 * 4

= 2 * 2

No. of pairs : 1, 3 = 1 * 3

No. of pairs : 1, 2 = 1 * 2

No. of pairs : 1, 1 = 1 * 1

No. of pairs : ∞, 0 = 0 * 1

(INFINITY) 0 * 2

0 * 3

0 * 4

0 * 5

and it goes on endlessly…

If the number of pairs is more than 1, it is called a COMPOSITE NUMBER.

If the number of pairs is equal to 1, it is called a PRIME NUMBER.