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2 is the smallest Prime number. Numbers can't have factors larger than themselves. Zero and one aren't large enough to have prime factors.
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Earn +20 ptsQ: Explain Why the Numbers 0 and 1 have no prime factor?
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Do all numbers have at least one prime factor?
All whole numbers except for -1, 0 and 1 have at least one prime factor.
What is the same between prime and composite numbers?
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else, except 1 and 0. 1 and 0 are neither prime, nor composite. So 'what is the same', is that both prime and composite numbers have 1 as a factor, and itself as a factor.
Why are the numbers 0 and 1 neither prime nor composite?
0 has no factors and 1 only has 1 factor which is 1.
Is 4 a prime factor of the composite number 36?
4 is a factor of 36, but it is not a prime number.
What are the prime numbers less than 0?
There are no negative prime numbers.
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