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A number that isnt a prime number?
Composite
What is a number called when it isnt a prime number?
Composite
Is the number of feet in 4 and one third yards prime or composite?
prime because 4.5 yards equals 13 feet and 13 is prime because theres no number you can multiply to get 13 that isnt 1 and itself
Why isnt 1 prime or composite?
1 is neither prime nor composite because Eratosthenes decided that it was nor prime nor composite because 1x1 is 1, but then again,1x any other number is that number, so one can go into every number before and after infinity. Confusing right? Try looking up on Wiki the guy Eratosthenes.
Is infinity a prime or composite?
Infinity is not a number. It cannot be graphed nor placed onto a number line. Infinity is an idea, a prospect. So the answer is "none" since Infinity isnt a number.
Why isnt 91 a prime number?
because this number is not divisible by 2
What is the smallest number that looks prime but really isnt?
One.
Why isnt 39 a prime number?
39 is not a prime number because it has four factors: 1,3,13,39 and because prime number are numbers who has 2 factors.
Why isnt 99 a prime number?
9 times 11 is 99. A prime is a number whose factors are one and itself.
Can five over nineteen be reduced?
no, 5 isnt divisable by 19. 19 is a prime number and isnt divisable by anything.
Is there an equation to find prime numbers?
a prime number is a number that can only be divided by 1and its self... 1 isnt a prime number but 2, 3, 5, 7, 9, 11 etc... are prime numbers.
What are the prime numbers in 23 32 9 1851 37 and 79?
23, 37, 79 and 51 (assuming 1851 is a typo, 18 isnt a prime) if not a typo 1851 isnt a prime number anyway, it divides by 3
