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What numbers 21-30 are prime numbers?

Updated: 8/20/2019
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Only 23 and 29.

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Q: What numbers 21-30 are prime numbers?
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Related questions

Can 7 go into 2130?

2130/7 = 304.285714 recurring (that is, 304.285714285714...) Therefore, 7 does not go into 2130.


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What is 2130 divided by 8?

266.25


What is the LCM of 2130?

You need at least two numbers to find an LCM. If that's 21 and 30, the LCM is 210.


What is the total of the next eight prime numbers after twenty four?

Just go to a table of prime numbers, find the prime numbers, and add them.Just go to a table of prime numbers, find the prime numbers, and add them.Just go to a table of prime numbers, find the prime numbers, and add them.Just go to a table of prime numbers, find the prime numbers, and add them.


What are numbers that have 2 factors called?

Prime numbers like 2, 3, 5 and 7.


what are the numbers for not prime numbers?

Numbers that are not prime numbers are called composite numbers.


Are any two prime numbers relatively prime?

Any two prime numbers will be relatively prime. Numbers are relatively prime if they do not have any prime factors in common. Prime numbers have only themselves as prime factors, so all prime numbers are relatively prime to the others.


Why are prime numbers divisible?

Prime numbers are divisible because any numbers that are divisible are prime. If a number isn't divisible, it isn't prime. Prime numbers have to be divisible by at least one pair of numbers to be prime.


Are there infinitely many natural numbers that are not prime?

This can be an extension to the proof that there are infinitely many prime numbers. If there are infinitely many prime numbers, then there are also infinitely many PRODUCTS of prime numbers. Those numbers that are the product of 2 or more prime numbers are not prime numbers.


What are the common factors for 2130?

There cannot be common factors of just one number. To be common there need to be at least two numbers.


What 2 prime numbers 30?

No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.