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Referring to only positive integers, the smallest composite number is 4 (2 x 2). A composite number is any number that is the product of two or more prime numbers.
*Referring to all integers, it would be the negative number -9, (3 x -3), which is the also the arithmetically lowest one-digit number. However, under normal definitions, negative numbers are not considered prime or composite numbers.
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Earn +20 ptsQ: What is the smallest 1-digit composite number?
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Is the smallest composite number 2?
No. The number 2 is a prime number. The smallest, positive composite number is 4.
What is the smallest composite number and is also a square of a prime number?
4, which is the square of the prime number 2, is the smallest composite number.
Which is the smallest odd composite number?
9
What is the smallest composite number that is the square of a prime number?
It is: 4
What is the smallest composite number that is divisible by none of the prime numbers?
If it is a composite number, it is divisible by at least one prime number.
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