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How many divisors does a composite number have?
At least one other than 1 and itself. It can have infinitely many.
Is 35 aprime number?
No, 35 is not a prime number. A prime number is defined as a number greater than 1 that has no positive divisors other than 1 and itself. Since 35 can be divided by 1, 5, 7, and 35, it has divisors other than 1 and itself, making it a composite number.
Is 21 a primenumber?
No, 21 is not a prime number. A prime number is defined as a natural number greater than 1 that has no positive divisors other than 1 and itself. Since 21 can be divided evenly by 1, 3, 7, and 21, it has divisors other than 1 and itself, making it a composite number.
Why is 10 not a prime number?
10 = 2 * 5. It has divisors other than 1 and itself.
What is the rule for 1 2 4 8 12 32?
Least number with exactly n even divisors 1 -> 0 divisor 2 -> 1 divisor 4 -> 2 divisors = 22 8 -> 3 divisors = 23 12 -> 4 divisors = 22x3 32 -> 5 divisors = 24
Are these numbers composite 30 31 32 33 34 35 36 37 38 and 39?
31,37 are not composite
Which one is prime out of 21 23 22 27?
The prime numbers are numbers greater than 1 that have no divisors other than 1 and themselves. Out of the numbers 21, 23, 22, and 27, only 23 is a prime number because it is only divisible by 1 and 23 itself. The other numbers have divisors other than 1 and themselves, making them composite numbers.
Defiant ion of prime number?
A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself.
Is 39a prime number or not?
No, 39 has two positive divisors other than 1 and itself; 3 and 13.
What is the difference between relatively prime and not relatively prime?
Numbers called relatively prime or mutually prime have no common factors or divisors other than 1. Numbers having any common factors or divisors greater than 1 are not relatively or mutually prime.
Is 15 compstive number?
Yes, 15 is considered a composite number because it has more than two positive divisors. Specifically, its divisors are 1, 3, 5, and 15. Since it can be divided by numbers other than 1 and itself, it meets the definition of a composite number.
Is 1 and 2 prime?
No, neither 1 nor 2 are prime numbers. A prime number is a positive integer greater than 1 that has no positive divisors other than 1 and itself. 1 only has one positive divisor (1) and 2 has two positive divisors (1 and 2), so they are not prime.
