Question

b) All the multiples of 4 which are between 1 and 20. c) All the prime numbers hetunon 90 and 90​

Answer 1

Answer:

It can be divided by 3 as well as 1 and 9. The prime numbers below 20 are: 2, 3, 5, 7, 11, 13, 17, 19.

Answer 2

Answer:

(a) 24 = 1 * 24

(a) 24 = 1 * 24 24 = 2 * 12

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8 24 = 4 * 6

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8 24 = 4 * 6 24 = 6 * 4

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8 24 = 4 * 6 24 = 6 * 4So, the factors of 24 = 1, 2, 3, 4, 6, 12, 24

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8 24 = 4 * 6 24 = 6 * 4So, the factors of 24 = 1, 2, 3, 4, 6, 12, 24(b) 15 = 1 * 15

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8 24 = 4 * 6 24 = 6 * 4So, the factors of 24 = 1, 2, 3, 4, 6, 12, 24(b) 15 = 1 * 15 15 = 3 * 5

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8 24 = 4 * 6 24 = 6 * 4So, the factors of 24 = 1, 2, 3, 4, 6, 12, 24(b) 15 = 1 * 15 15 = 3 * 5 15 = 5 * 3

(a) 24 = 1 * 24 24 = 2 * 12 24 = 3 * 8 24 = 4 * 6 24 = 6 * 4So, the factors of 24 = 1, 2, 3, 4, 6, 12, 24(b) 15 = 1 * 15 15 = 3 * 5 15 = 5 * 3So, the factors of 15 = 1, 3, 5, 15

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