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Composite Numbers
Composite Numbers are some special numbers which have more than 2 factors which consists of at least 1 prime factor.They are often referred as Non-prime Numbers.
4,066 Questions
Is 21 prime composite or neither?
A prime number can only have adivisorof itself and 1.
Both 3 and 7 divide 21, so it cannot be a prime number.
I.e.: 21/3 = 7 and 21/7 = 3
A composite number has at least 1 divisor, and we already determined that both 3 and 7 are divisors, so:
21 is a composite number
21 is a composite number.
1.7 is not prime or a composite number, as it is not a whole number.
125z is composite. This is because 125 is already composite, so no matter what you multiply it by, it will be composite still.
13 Is a composite number because it is divisible by one and itself?
13 is a prime number because it can only be divided by 1 and itself.
A composite number can be divided by more than 1 and itself. For example, 14 can be divided by 1,14,2,7,3, and 4.
What are all answers of prime numbers?
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
I hope this helps
Does 13 have exactly one factor other than 1 and itself?
No, being a prime number it only has two factors - 1 & 13.
120
63 is composite: its factors are 1, 3, 7, 9, 21 and 63.
It is composite because it is divisible by two and other prime numbers.
What is the prime and composite factors?
Factors can be prime or composite. The factors of 30 are 1,2,3,5,6,10,15 and 30.
Of these, 3 and 5 are prime. The rest are composite except for 1, which is neither.
Which number does not belong in the following series 1-2-5-10-13-26-29-48?
Numerical Answer
48 does not belong, because the sequence is (double) then (add 3) and after 256 to 29, the last number should be 58.
Spelling Answer
2 does not belong, because the rest of the numbers include the letter E when you spell them out in English.
