Find the highest common factor (HCF) of 84 and 126
Correct answer(s):
- 42
Topic
Number Theory
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Quizzes in Number Theory for SSC
Select all numbers that are factors of 360 from the list: 8, 9, 14, 15, 16.
Correct answer(s):
- 8
- 9
- 15
Find the greatest common divisor (highest common factor) of 84 and 126.
Correct answer(s):
- 42
Select all prime numbers from the list: 21, 29, 31, 49.
Correct answer(s):
- 29
- 31
Which of the following numbers are prime: 15, 17, 19, 21 Select all that apply.
Correct answer(s):
- 17
- 19
Calculate the least common multiple (LCM) of 9 and 12.
Correct answer(s):
- 36
Find the greatest common divisor (GCD) of 84 and 126.
Correct answer(s):
- 42
Select all prime numbers from the list.
Correct answer(s):
- 29
- 37
Select all prime numbers from the list: 11, 15, 17, 21.
Correct answer(s):
- 11
- 17
Find the greatest common divisor (GCD) of 84 and 126.
Correct answer(s):
- 42
Find the least common multiple (LCM) of the numbers 12, 30, and 45.
Correct answer(s):
- 180
Which of the following numbers is a prime number
Correct answer(s):
- 97
From the list below, select all numbers that are prime: 29, 51, 57, 61.
Correct answer(s):
- 29
- 61
What is the sum of all integers from 1 to 100 inclusive
Correct answer(s):
- 5050
Select all prime factors of 360 from the list provided.
Correct answer(s):
- 2
- 3
- 5
Calculate the least common multiple (LCM) of 8, 12, and 20.
Correct answer(s):
- 120
Find the greatest common factor (GCF) of 84 and 126.
Correct answer(s):
- 42
Select all prime numbers from the list: 29, 33, 47, 51.
Correct answer(s):
- 29
- 47
Find the greatest common divisor (GCD) of 84 and 126.
Correct answer(s):
- 42
Find the least common multiple (LCM) of 8, 12, and 20.
Correct answer(s):
- 120