Factors and multiples

Which of the following numbers is divisible by 3?

• 24357806

• 35769812

• 83479560

• 3336433

Which of the following numbers is divisible by 9?

• 8576901

• 96345210

• 67594310

• none of these

Which of the following numbers is divisible by 4?

• 78653234

• 98765042

• 24689602

• 87941032

Which of the following numbers is divisible by 8?

• 96354142

• 37450176

• 57064214

• none of these

Which of the following numbers is divisible by 6?

• 8790432

• 98671402

• 85492014

• none of these

Which of the following numbers is divisible by 11?

• 3333333

• 1111111

• 22222222

• all of these

Which of the following is a prime number?

• 117

• 171

• 179

• none of these

Which of the following is a prime number?

• 323

• 361

• 263

• All of these

Which of the following are co-primes?

• 39, 91

• 161, 192

• 385, 462

• none of these