prime number Flashcards
Is 2 a prime number?
The number 2 is a prime number.
Two has 2 natural number divisors - 1 and 2:
2 / 1 = 2
2 / 2 = 1
Is 1 a prime number
The number 1 is not a prime number by definition.
One is has one divisor - itself
List of prime numbers up to 100
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97
What is prime number
Prime number is a positive natural number that has only two positive natural number divisors - one and itself.
what is the meaning of composite number
. A composite number is a positive nutural number that has at least one positive divisor other than one or itself.
what is the number 1 definition
The number 1 is not a prime number by definition - it has only one divisor.
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is number 0 a prime number
The number 0 is not a prime number - it is not a positive number and has infinite number of divisors.
can you device number 15
The number 15 has divisors of 1,3,5,15 because: 15/1=15 15/3=5 15/5=3 15/15=1