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What number does the longest prime number end in?

Anonymous

∙ 9y ago

Updated: 11/4/2022

As of 2015, the longest Prime number known ends in 1.

Wiki User

∙ 9y ago

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Q: What number does the longest prime number end in?

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What number's cant a prime number end in why?

Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.

How do you know when you have found the longest possible factor string of a number?

When all of the numbers are prime.

Is 130 a prime number?

No prime numbers end in 0. 130 is a composite.

Is 4539 prime?

no because it has an "odd" number at the end of it. if it had a 2, 4, 6 ,8 at the end. then it would be prime

What number up to 100 has the most prime numbers?

64 and 96 have the longest prime factorizations in that range. If you're asking about distinct prime factors, quite a few are tied with three.

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Related Questions

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 number's cant a prime number end in why?

Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.

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.

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