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Brice Lemke

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3y ago
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7y ago

2 3 5 7 11 13 17 19 are prime.

4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20 are composite.

1 is neither.

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Q: Which of the numbers 1-20 are Prime and which are Composite?
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Related questions

What prime numbers equal 120?

120 is not a prime and no prime numbers equal a composite (ie non-prime).


Is 120 prime composite or neither?

120 is a composite number because it is divisible by 2. Even numbers except 2 are composite.


What is 120 is it a prime or composite number?

120 is 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.


Is 120 a composite or prime number?

120 is a composite number. 120 is 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. Any even number (except 2) is composite.


What are the least two composite numbers that are relatively prime?

120 and 49


Is 120 composite?

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. 120 is composite.


Is 120 prime or composite?

It is a composite number. All whole numbers ending in zero are composite.


What is the smallest number divisible by the first three prime numbers and the first three composite numbers explain?

the answer is 120 because the first three prime numbers are 2,3,5 and the first three composite numbers are 4,6,8.


What is the smallest number divisble by the first three prime numbers and the first three composite numbers?

120


Why is 120 a prime?

120 is composite.


What are the prime and composite numbers of 120?

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120 2, 3 and 5 are prime. 1 is neither.


Are prime numbers greater than 2 composite?

No. Prime numbers cannot be composite and composite numbers cannot be prime!