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The is no last Prime number - unless you are counting down, in which case, it is 2.

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โˆ™ 2010-09-04 17:52:25
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Q: What is the last prime number?
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Related questions

Is the last prime number found?

No, there is no last prime number. They go on forever.


What is the last prime number before 50?

The last prime number before 50 is 47.


What is the last prime number between 1-100?

The last prime number before 100 is 97


Last twin prime number?

There is no last twin prime: they go on forever.


What is product of first and last prime number and first prime number that is large than 100?

There is no last prime number: they go on for ever. The first prime larger than 100 is 101.


What is balanced prime number?

A balanced prime number is a prime number that is equal distance from the last prime before it and the next prime after it. Example: 53 is a balanced prime. The last prime number before it was 47 and the next prime after it is 59. (53 - 47) and (59 - 53) both equal 6, so 53 is a balanced prime.


What is the last year of the 2l century that is a prime number?

Last prime of the 20th Century was 1999. Last prime of the 21st Century will be 2099.


What is the least three digit number that is prime?

997 is the last 3 digit prime number


What are the last 2 prime numbers?

There cannot be the last two prime numbers because there are an infinite number of them.


What is the sum of the first prime number and the last prime number from 1 to 100?

It is: 2+97 = 99


Is 6758 a prime number?

No even number is a prime number - except 2. If the last digit is 0, 2, 4, 6, or 8, the number is divisible by 2, and therefore not a prime number.


How do you know without multiplying the prime factors that the last digit of the number is 0?

If two of the prime factors are 2 and 5, the last digit of the number will be zero.


How can you tell that 28655 is not a prime number by its last number?

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If 7 is the last number in a prime factorization does it end?

Yes. Since 7 is a prime number, you have found all the prime numbers, with 7 being the final prime factor.


Are there prime numbers over 400?

Yes, in fact, there is no last prime number - the set of prime numbers is infinite. The proof was already known 2000 years ago: If you assume that there is a last prime number, multiply all prime numbers up to that "last prime number". Then add one. The result is either a prime number itself, or it is composed of factors, none of which is one of the prime numbers you multiplied (because of the added 1). Thus, the original assumption (that there is a last prime number) has to be false. Example: The first 3 prime numbers are 2, 3, 5. If you multiply them, you get 30. Add one to the result, and you get 31. This number isn't divisible by 2, by 3, nor by 5. It happens to be a prime, but this isn't always so.


Is 46832 a prime number or a composite number?

The last digit is a 2 which implies that the number is divisible by 2. So 46832 is not prime, it is composite.


Why is 2 the first even prime number?

Because it's the only even prime number. It's also the last.


What was the last prime number before 100?

97


What is the last prime number before 100?

97


What is the last prime number before 700?

691


What is the last prime number before 1000?

997


What was the last prime number before 60?

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What is the last prime number before 60?

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Is 392 a prime number?

no, because it has a 2 at the end. if the last digit in the number is an even number, then it is not a prime number. Also if the only factors of the number is 1 and itself then it is a prime number. example 1: 5,622 = not prime number.... example 2: 13=prime number because the only factors are 1 and 13.


How do you now when a factor tree is completed?

last number should be a prime number