A number is prime if its ONLY factors are 1 and the number that you are testing.
22 has factors of 22 & 1, as well as 2 & 11. By the way, 2 is the only even Prime number.
Composite
Composite
39 is not a prime number because it has four factors: 1,3,13,39 and because prime number are numbers who has 2 factors.
no, 5 isnt divisable by 19. 19 is a prime number and isnt divisable by anything.
The prime number about 22 is 23. 23 is a prime number because it has no factors except for 23 and itself.
a prime number is a number that can only be divided by 1and its self... 1 isnt a prime number but 2, 3, 5, 7, 9, 11 etc... are prime numbers.
A prime number is a number which can only be divided by one or the number itself. The number 22 can be divided by one, two, eleven and 22. Thus, it is NOT a prime number
23, 37, 79 and 51 (assuming 1851 is a typo, 18 isnt a prime) if not a typo 1851 isnt a prime number anyway, it divides by 3
A prime number is a number that is only divisible by 2 numbers, 1, and itself. So 11 is a prime number because it is only divisible by 2 numbers, but you wouldn't say it is a prime number of 22. There are no prime numbers of a number.
The number 22 is not prime as it can be divided by 2 as well as itself and 1
Do you mean, "What is 22's largest prime factor?"
No. The number 22 is divisable by 2 (2 x 11 = 22). Prime numbers can only be divided by 1 and themselves.