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What are the pairs of prime numbers less than 20 that differ by 2?
2 5 6
What are two prime numbers less than 20 who's sum is also a prime number?
(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.
How many prime numbers are less then 100?
There are 25 prime numbers less than 100
Prime numbers less than 86?
The prime numbers less then 86 are; 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79 and 83.
How many prime numbers are less then 200?
There are 46 prime numbers less than 200.
How many twin prime numbers are less than 100?
Eight pairs.
What are the pairs of prime numbers less than 20 that differ by 2?
2 5 6
How many pairs of prime numbers less than 100 differ to 1?
One pair.
How do you know when two pairs of numbers will have an LCM that is less than the product of the numbers?
When their GCF is greater than 1. When they have prime factors in common.
What are two prime numbers less than 20 who's sum is also a prime number?
(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.
How many prime numbers are less then 100?
There are 25 prime numbers less than 100
What prime numbers less than 150?
There are 35 prime numbers less than 150.
Prime numbers less than 86?
The prime numbers less then 86 are; 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79 and 83.
How many prime numbers are less then 200?
There are 46 prime numbers less than 200.
What are the prime numbers less than 0?
There are no negative prime numbers.
How many prime numbers are there that less than 50?
There are 15 prime numbers less than 50
How many prime numbers are there less than 220?
There are 48 prime numbers less than 220.
