MATHS Do as Directed.

Factors of 6: (1), 2, (3) and 6.
Factors of 27: (1), (3), 9 and 27.
Common factors of 6 and 27 are: 1 and 3.

Factors of 9: (1), (3) and 9.
Factors of 21: (1), (3), 7 and 21.
Common factors of 9 and 21 are: 1 and 3.

Factors of 20: (1) 2, 4, (5) 10 and 20.
Factors of 5: (1) and (5).
Common factors of 20 and 5 are: 1 and 5.

Factors of 12: (1), (2), 3, 4, 6 and 12.
Factors of 15: (1), (3), 5 and 15.
Common factors of 12 and 15 are: 1 and 3.

Factors of 3: (1) and 3.
Factors of 5: (1) and 5.
Common factor of 3 and 5 is only 1.

Factors of 2: (1), and 2 Factors of 9: (1), 3 and 9
Common factor of 2 and 9 is only 1.

Factors of 4: (1), (2), and (4).
Factors of 16: (1), (2), (4), 8, and 16. Common factors of 4 and 16 are: 1, 2 and 4

Factors of 8: (1), (2), (4), and 8.
Factors of 12: (T), (2), 3, (4), and 12.
Common factors of 8 and 12 are: 1, 2, and 4

Factors of 12: (1), (2), 3, (4), 6, and 12.
Factors of 16: (1), (2), (4), 8, and 16.
Common factors of 12 and 16 are: 1, 2 and 4.

Multiples of 6:
6, 12, 18, 24, 30, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, …
Multiples of 9:
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, …
First 5 common multiples of 6 and 9 are: 18, 36, 54, 72 and 90.

Multiples of 6:
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120, 126, …
Multiples of 8:
8,16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, …
First 5 common multiples of 6 and 8 are: 24, 48, 72, 96 and 120.

Multiples of 8:
8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, …
Multiples of 12:
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, ………..
First 5 common multiples of 8 and 12 are:
24, 48, 72, 96, and 120

Multiples of 9:
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180, 189, …
Multiples of 12:
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180, 192, …
First 5 common multiples of 9 and 12 are: 36, 72, 108, 144, and 180.

Multiples of 5:
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, …
Multiples of 10:
10, 20, 30, 40, 50, 60, 70, 80, 90, 100, …
First 5 common multiples of 5 and 10 are:
10, 20, 30, 40, and 50.

Multiples of 3:
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, …….
Multiples of 9:
9, 18, 27, 36, 45, 54 …
First 5 common multiples of 3 and 9 are:
9, 18, 27, 36, and 45.

Multiples of 2:
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, …
Multiples of 4:
4, 8, 12, 16, 20, 24, 28, 32, …
First 5 common multiples of 2 and 4 are:
4, 8, 12, 16, and 20.

Multiples of 5:
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185, 190, 195, 200, …
Multiples of 8:
8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, …
First 5 common multiples of 5 and 8 are: 40, 80, 120, 160, and 200.

Multiples of 2:
2, 4, 6, 8, 10, 14, 16, 18, 20, 22, 24, 26, 28, 30, …
Multiples of 3:
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, …
First 5 common multiples of 2 and 3 are: 6, 12, 18, 24, and 30.

Factors of 54 are 1, 2, 3, 6, 9, 18, 27 and 54.

Factors of 46 are 1 , 2, 23 and 46.

Factors of 37 are 1 and 37 only. So, 37 is a prime number.

Factors of 32 are 1, 2, 4, 8, 16, and 32.

Factors of 25 are 1, 5, and 25.

Factors of 20 are 1, 2, 4, 5, 10, and 20.

Factors of 13 are 1 and 13 only. So, 13 is a prime number.

Factors of 14 are 1, 2, 7, and 14.

Factors of 10 are 1, 2, 5, and 10.