Question

0.1 Write all factors of each of the following numbers

1) 300. 2. 24. 3. 225

Q.2 Write first five multiples of each of the following numbers

1 .12. 2. 36. 3. 18
0.3 Write all prime numbers between

(1) 20 and 40
(2) 80 and 100

Q.4 Express each of the following numbers as the sum of two odd primes

1. 45. 2. 39. 3. 64
Q.5 Express each of the following numbers as the sum of three odd primes

(1) 63. 2. 53. 3. 15

Q.6 Express each of the following as the sum of twin primes

1. 36. 2. 84​

Answer 1

Step-by-step explanation:

Q1.the factors of 300 is 1,2,3,6,5,10,300

the factors of 2 is 1 and 2

the factors of 24 is 1,2,3,4,6,8,24

the factors of 3 is 1 and 3

the factors of 225 1,5,225

Q. 2 1.multiples of 1-1,2,3,4,5

2. multiples of 12-12,24,36,48,60

3. multiples of 2-2,4,6,8,10

4. multiples of 36-36, 72, 108,144,180

5. multiples of 3 - 3,6,9,12,15

6. multiples of 18 - 18,36,54,72,90

Q. 3. the prime numbers between 20 and 40 are 23,29,31,37

prime numbers between 80 and 100 are 83,89,97