# Worksheet: Divisibility

Q1:

Is 309 divisible by 2?

• Ano
• Byes

Q2:

Which of these are all divisible by both 2 and 3?

• A5, 8, 36
• B4, 6, 48
• C5, 54, 9
• D6, 54, 36
• E15, 9, 12

Q3:

Which of these are all divisible by both 2 and 5?

• A7, 12, 50
• B7, 10, 35
• C5, 40, 15
• D10, 40, 50
• E14, 25, 15

Q4:

Find the greatest number divisible by 2 which has 9 equal digits.

Q5:

Find the smallest number divisible by 5 which has 4 equal digits.

Q6:

Find all the numbers between 696 and 724 that are divisible by 5 and 2.

• A700, 702 and 704
• B700, 705 and 710
• C710, 720 and 730
• D700, 710 and 720

Q7:

Is the following true or false: 9 810 is divisible by 5 and 10?

• Atrue
• Bfalse

Q8:

Jennifer has blocks in three colors. The blue blocks are 3 cm high. The red blocks are 5 cm high, and the green blocks are 7 cm high.

She builds a tower using blocks of the same color. Which of the following could describe that tower?

• A a green tower that is 18 cm high
• B a blue tower that is 14 cm high
• C a red tower that is 35 cm high

Q9:

Find the greatest-digit number divisible by 5 and 3.

Q10:

Find the largest number formed from 5, 6, 7, and 8 which is divisible by 5.

Q11:

Find the greatest-digit number that is not divisible by 2.

Q12:

Find the greatest number which is divisible by both 5 and 3 and is formed from 4 different digits.

Q13:

The number 225 is divisible by two prime numbers. If 3 is one of the two numbers, which of these is the other?

• A25
• B15
• C9
• D5
• E11

Q14:

What number are 3, 7, and 9 divisible by?

Q15:

Find all the numbers between 115 and 123 that are divisible by 2.

• A116, 118, and 120
• B116, 120, 122, and 124
• C118, 120, and 122
• D116, 118, 120, and 122

Q16:

All numbers are divisible by .

Q17:

All numbers are divisible by 2.

• A even
• B odd

Q18:

Complete the following: As then 342 is a multiple of and 19 and also 342 is divisible by and 18.

• A18, 19, 18
• B19, 18, 18
• C18, 19, 19
• D18, 18, 19
• E19, 19, 18

Q19:

is the only even prime number.

Q20:

Which of the following is divisible by 5, 2, and 3?

• A 3 495
• B 2 330
• C 1 398
• D 6 990

Q21:

The process of writing a number as a product of other numbers is called .

• Bdivision
• Cfactorisation

Q22:

A number is divisible by 2 if its unit digit is .

• Aa prime number
• Ban odd number
• Can even number

Q23:

Which of these is divisible by 6?

• A 40
• B 10
• C 16
• D 30

Q24:

Which of these is divisible by 9?

• A 60
• B 30
• C 50
• D 54

Q25:

Which of the following are multiples of 2 that are also divisible by 3?

• A5, 8, 18
• B0, 6, 10
• C4, 12, 9
• D6, 12, 18
• E8, 9, 9