playing with numbers

Identify whether the given statement is 'TRUE' or 'FALSE'
All prime numbers are odd

• TRUE
• FALSE

Which of the following numbers are twin primes?

• 3 , 7

• 5 , 7

• 7 , 11

• 15 , 17

A number is divisible by 9 if the sum of the digits is divisible by _____

• 9
• 3
• 18
• None of the above

Which is the largest prime number less than 100?

• 91

• 93

• 97

• 99

If a number is divisible by 5, then which of the following can be its one's digit?

• 2
• 3
• 4
• 5

(a)   is a factor of every number.

The numbers having more than two factors are called

• Prime numbers

• Odd numbers

• Even numbers

• Composite numbers

The number 28221 is divisible by which of the following

• 2

• 3

• 6

• 9

Which of the following is divisible by 2?

• 257

• 345

• 720

• 899

_____ is the smallest factor of 12?

• 12

• 3

• 2

• 1