PROPERTIES OF WHOLE NUMBERS

The smallest three-digit composite number is

• 101

• 100

• 102

• 110

The prime numbers between 50 and 60 are

• 51 and 53

• 51 and 57

• 53 and 59

• 57 and 59

The two consecutive prime numbers are

• 1 and 2

• 2 and 3

• 3 and 5

• 4 and 5

The thirteenth multiple of 8 is

• 104

• 108

• 117

• 91

The largest five-digit even number is

• 90,000

• 99,990

• 90,002

• 99,998

3, 5 and 8 are the factors of

• 12,800

• 14,800

• 16,800

• 18,800

Which of the following is a composite number ?

• 41

• 61

• 71

• 91

The smallest number to be inserted in the ___ to make the number 2910___6 divisible by 9 is

• 9

• 0

• 3

• 6

The LCM of 25 and 150 is

• 5

• 25

• 150

• 50

2 x 2 x 3 x 3 x 5 is the prime factorization for

• 180

• 160

• 210

• 270