A factor of 29161137 is

1

(a)

13

(b)

7

(c)

23

(d)

83

Which of the following is divisible by both 8 and 12?

1

(a)

1312

(b)

1626

(c)

1612

(d)

1926

(e)

None of the given number is divisible by 8 and 12

State which of the following is correct prime factorisation of numbers.

1

(a)

2x3x3x3x4=216

(b)

2x3x7x7x7x11=22638

Fill in the given space of prime factorisation of 47957. 7x13x ____x17

1

(a)

31

A number for which the sum of all its factors is equal to twice the number is called a ________________number.

1

(a)

Perfect Number

15 is a multiple of _________ and __________

1

(a)

3 and 5

2 is the only even prime number.

1

(a) False

(b) True

If a number is divisible by 3, it must be divisible by 9

1

(a) True

(b) False

If a number exactly divides two numbers separately, it must exactly divide their sum.

1

(a) False

(b) True

A number with 4 or more digits is divisible by  8 if the number formed by the last three digits is divisible by 8.

1

(a) False

(b) True

Write all the factors of the following number: 27

2

(a)

Write all the factors of the following number 60

2

(a)

Express the following as the sum of two odd prime numbers 34

2

(a)

Using divisibility tests, determine the following number is divisible by 6? 1258

3

(a)

Express each of the following as the sum of three odd prime numbers. 49

3

(a)

Find the greatest number, which divides 753 and 1054 leaving remainder 3 and 4 respectively.

3

(a)

Write a digit in the blank space of the following number, so that the number formed is divisible by 11. 8___9484

5

(a)