EXER
ERCISE 4.
1. Find all the factors of the following numbers.
(a) 27
(b) 36
(c) 60
(d) 220
2. Check whether:
(a) 2 is a factor of 33 (b) 3 is a factor of 200 (c) 5 is a factor of 445
3. Sort out the prime numbers and the composite numbers from 17, 56, 83
4. Find the prime numbers between 10 and 50.
5. Write the following.
(a) First six multiples of 2
(b) First five multiples o
(c) First ten multiples of 10
(d) First five multiples of
6. Write all the prime numbers between 50 and 100.
7. Write all the even numbers between 40 and 60.
8. Write all the odd numbers less than 20.
9. Express each of the following as the sum of two or more prime number
(a) 15
(b) 13
(c) 37
10. Express each of the following numbers as the sum of two odd prime nu
(a) 42
(b) 32
(c) 50
Answers
Step-by-step explanation:
EXER
ERCISE 4.
1. Find all the factors of the following numbers.
(a) 27
(b) 36
(c) 60
(d) 220
2. Check whether:
(a) 2 is a factor of 33 (b) 3 is a factor of 200 (c) 5 is a factor of 445
3. Sort out the prime numbers and the composite numbers from 17, 56, 83
4. Find the prime numbers between 10 and 50.
5. Write the following.
(a) First six multiples of 2
(b) First five multiples o
(c) First ten multiples of 10
(d) First five multiples of
6. Write all the prime numbers between 50 and 100.
7. Write all the even numbers between 40 and 60.
8. Write all the odd numbers less than 20.
9. Express each of the following as the sum of two or more prime number
(a) 15
(b) 13
(c) 37
10. Express each of the following numbers as the sum of two odd prime nu
(a) 42
(b) 32
(c) 50
Answer:
7×2 =14fghtsfyfdrcyjcyfihs6fj