Which of the following numbers are prime numbers? Select all correct answers.
Correct answer(s):
- 2
- 3
- 5
Topic
Number Properties
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Quizzes in Number Properties for Grade 8
Select all numbers divisible by 3 from the list: 123, 124, 150, 202.
Correct answer(s):
- 123
- 150
Choose all of the following numbers that are prime: 15, 17, 19, 21.
Correct answer(s):
- 17
- 19
Which of the following numbers are divisible by 3? Select all that apply.
Correct answer(s):
- 123
- 99
- 456
Calculate the sum of the first five prime numbers.
Correct answer(s):
- 28
Select all numbers divisible by 3 from the list: 123, 245, 999, 1,234, 1,500.
Correct answer(s):
- 123
- 999
- 1,500
Find the remainder when 10^6 + 10^3 + 1 is divided by 9.
Correct answer(s):
- 3
Find the least common multiple (LCM) of 18 and 24.
Correct answer(s):
- 72
Select all numbers divisible by 3 from the list: 124, 1,233, 7,005, 9,002.
Correct answer(s):
- 1,233
- 7,005
Select all prime numbers from the list: 2, 9, 13, 15.
Correct answer(s):
- 2
- 13
Find the digit x that makes the three-digit number 7×5 divisible by 9.
Correct answer(s):
- 6
From the list [21, 29, 31, 49], select all numbers that are prime.
Correct answer(s):
- 29
- 31
Find the least common multiple (LCM) of 18 and 30.
Correct answer(s):
- 90
Which of the following numbers is divisible by 9
Correct answer(s):
- 7,452
Which of the following numbers is a prime number
Correct answer(s):
- 97
Identify the smallest prime number that is greater than 47.
Correct answer(s):
- 53
Find the digit x (0–9) that makes the number 4×27 divisible by 9.
Correct answer(s):
- 5
Select all perfect squares from the list: 16, 18, 25, 30.
Correct answer(s):
- 16
- 25
Find the greatest common divisor (GCD) of 84 and 126.
Correct answer(s):
- 42
Calculate the least common multiple (LCM) of 18 and 24.
Correct answer(s):
- 72