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Why is 981 not a prime number?
A prime number is a number with two and only two factors: 1 (also known as unity) and itself. 981 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 3. (You can check this by adding the digits of the number: 9 + 8 + 1 = 18. If the sum of the digits is divisible by 3, the number is also divisible by 3.) Therefore, 981 is a composite number.
Is 4 and 67 prime and composite?
4, composite. 67, prime.
Is nine a prime or a composite?
Prime
Which numbers are prime numbers and which are composite numbers from 1 to 100?
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 ext.
Is 5 and 25 prime or composite?
5 prime, 25 composite.
Is 981 prime'?
981 cannot be prime because it is divisible by 3.
What are the factors and prime factors of 981?
The factors of 981 are: 1, 3, 9, 109, 327, and 981.The prime factors of 981 are: 3 and 109.
Why is 981 not a prime number?
A prime number is a number with two and only two factors: 1 (also known as unity) and itself. 981 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 3. (You can check this by adding the digits of the number: 9 + 8 + 1 = 18. If the sum of the digits is divisible by 3, the number is also divisible by 3.) Therefore, 981 is a composite number.
What is the prime factorization of 981 using exponents?
981 = 32 x 1091
Is one composite or prime both prime and composite or neither prime or composite?
neither prime or composite
Is 17 prime or composite number?
It is prime
What is a list of prime numbers and composite numbers?
It would be impossible to list them all, since numbers go on forever, but here are some of them: 2 - Prime 3 - Prime 4 - Composite 5 - Prime 6 - Composite 7 - Prime 8 - Composite 9 - Composite 10 - Composite 11 - Prime 12 - Composite 13 - Prime 14 - Composite 15 - Composite 16 - Composite 17 - Prime 18 - Composite 19 - Prime 20 - Composite 21 - Composite 22 - Composite 23 - Prime 24 - Composite 25 - Composite 26 - Composite 27 - Composite 28 - Composite 29 - Prime 30 - Composite 31 - Prime 32 - Composite 33 - Composite 34 - Composite 35 - Composite 36 - Composite 37 - Prime 38 - Composite 39 - Composite 40 - Composite 41 - Prime 42 - Composite 43 - Prime 44 - Composite 45 - Composite 46 - Composite 47 - Prime 48 - Composite 49 - Composite 50 - Composite
Is 4 and 67 prime and composite?
4, composite. 67, prime.
Is nine a prime or a composite?
Prime
Which numbers are prime numbers and which are composite numbers from 1 to 100?
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 ext.
Is 5 and 25 prime or composite?
5 prime, 25 composite.
Is 2401 a prime or composite number?
composite
