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1 is neither a prime, nor a composite number. 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.
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Earn +20 ptsQ: Why isn't 1 a prime factor?
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Is Every prime number is a factor of 1.?
Nope.... 1 is a factor of every prime number !
Can 1 and the factor be used itself to be a factor tree?
The purpose of a factor tree is to divide a number into prime factors. 1 is not a prime number.
Is 9 the greatest prime factor of 72?
9 is not prime, so it is not a prime factor of 72, great or otherwise.
What are the factors and prime factor of 5?
1 and 5 5 is prime.
What are the factor and pirme factor 47?
1 and 47. 47 is prime.
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