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WorksheetsExploring Prime Numbers
Total questions: 10
Worksheet time: 6mins
What is a prime number?
A prime number is a number that can be divided by any integer.
A prime number is a natural number less than 1.
A prime number is any even number.
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
List the first ten prime numbers.
3, 5, 6, 8, 10, 12, 14, 16, 18, 20
2, 3, 5, 7, 11, 13, 17, 19, 23, 29
1, 4, 6, 8, 9, 10, 12, 14, 15, 16
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Is 15 a prime number? (Yes or No)
17
No
Yes
1
Is 2 a prime number? (Yes or No)
No, because it is even
Yes
No, because it is divisible by 1
Yes, because it is greater than 1
Identify if 29 is a prime number.
29 is a composite number.
Yes, 29 is a prime number.
29 is an even number.
No, 29 is not a prime number.
What is the smallest prime number?
1
2
3
5
Is 21 a prime number? (Yes or No)
21 is a perfect square
No
21 is an even number
21 is a composite number
List three prime numbers greater than 10.
12
15
11, 13, 17
14
Write all the prime natural numbers between 20 and 30
(a)
Is 61 is a prime? (Write yes or no)
(a)
