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On Jan. 25, 2013, the largest known Prime number, 257,885,161-1, was discovered on Great internet Mersenne Prime Search (GIMPS) volunteer Curtis Cooper's computer. The new prime number, 2 multiplied by itself 57,885,161 times, less one, has 17,425,170 digits.
What else can I help you with?
What number does the longest prime number end in?
As of 2015, the longest prime number known ends in 1.
What is the longest prime factorization string for 239?
There is only one prime factorization string for each number, so there is not a "longest" one. Since 239 is a prime number, its prime factorization is 239.
The longest string of factors for a number?
The prime factorization.
What is the longest factor string of a number called?
The prime factorization
How long is the longest prime number?
The largest known prime number is 17,425,170, although technically, there is no largest possible prime number. To this day, mathematicians are still searching for higher prime numbers.
What is the longest factor string you found?
The longest factor string of any composite number is its prime factorization.
What is the longest 5 digit number and give its prime factorization?
It is: 99,999 and its prime factors are 3, 41 and 271
How do you know when you have found the longest string of factors for a number?
When all the factors are prime.
How do you know when you have found the longest factor string for a number?
All of the factors are prime.
What is the prime longest factorization of 50?
What is the longest prime factorization of 50?
How many longest strings of factors are there for a given number?
For composite numbers, only one string of factors is the longest; the prime factorization.
How do you know when you found the longest possible string of factors for a number?
When each one of them is a prime.
