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1 is special

2 prime

3 prime

4 composite

5 prime

6 composite

7 prime

8 composite

9 composite

10 composite

11 prime

12 composite


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Q: Which numbers are prime numbers and which are composite numbers from 1 to 100?
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Related questions

What numbers between 1 and 100 are prime and composite?

There are 25 prime numbers and 75 composite numbers from 1 to a 100. A prime number has only two factors whereas a composite number has more than two factors.

What are the prime factorization for composite numbers 1-100?

finding the prime factors of a composite number

Which is prime numbers and composite numbers between 1 to 100?


What other numbers besides 1-100 are prime?


What are the prime or composite numbers for 100?

The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, 100 2 and 5 are prime. 1 is neither. The rest are composite.

What are all the composite and prime factors from 1-100?

2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,and 97 are all prime numbers. The rest are composite

What are all the odd composite numbers 1-100?

Look for a table of prime numbers. All the odd numbers that are NOT on this list are composite numbers.

What are all the composite numbers under 100?

So we eliminate prime numbers. Note that the number 1 is neither prime nor composite. We have left:4689101214151618202122242526272830323334353638394042444546484950515254555657586062636465666869707274757677788081828485868788909192939495969899100

What is the total number of prime numbers 1 to 100 multiplied by totalnumber of composite numbers 1 to 100?

It is: 25*75 = 1875

How many composite between 1 100?

They are the numbers that have more than two factors whereas prime numbers have only two factors and that 1 is not considered to be a composite or a prime number

What numbers 1-100 are composite and prime?

primes are 1,2,3,5,7,11,13,17,19,23,29,31,41,43,47,53,59,61,67,71,73,79,83,89,91. all others are composites.

How many composite numbers are there from 1 to 40?

Look up a table of prime numbers. All those numbers that are not prime, are composite - except 1, which is neither prime nor composite.