Divisibility test

Which of the following is divisible by 7 ?

• 378

• 115

• 183

• 367

Which of the following is divisible by 9 ?

• 220

• 210

• 225

• 190

Which of the following is divisible by 6 ?

• 130

• 215

• 144

• 190

Which of the following is divisible by 4 ?

• 134

• 314

• 110

• 112

Which of the following is NOT divisible by 6 ?

• 144

• 188

• 174

• 150

Which of the following is a composite number ?

• 57

• 67

• 83

• 89

The following are all composite numbers EXCEPT one. Which of these is not a composite number?

• 77

• 87

• 49

• 79

The two consecutive prime numbers with difference 2 are called

• co-prime

• twin primes

• composite

• none

The two numbers which have only 1 as their common factor are called

• co-prime

• twin prime

• composite

• none

The numbers which are not multiple of 2 are called

• even

• odd

• prime

• composite