PrimOmatic: the prime numbers checker

Prime Number?

Prime numbers are positive integers which have no divisors other than 1 and themselves. Therefore, the first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29. Except for 2, all primes are odd numbers. PrimOmatic calculator will help you check if a number entered is prime, or eventually find out the factors of that number along with its consecutive closest prime!

		Factors The next closest prime

23,456,789 is prime! - G. Sarcone
888,888,888 = 98,765,432 x 9
111,111,111 = 12,345,679 x 9
12,345,678,987,654,321 = 12,345,679 x 12,345,679 x 81

On January 7th, 2016, Dr. Curtis Cooper, a professor at the University of Central Missouri, discovered the 49th known Mersenne prime, 2^74,207,281-1, a 22,338,618 digit number. This find shatters the previous record prime number 2^57,885,161-1 of 17,425,170 digits.