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What are co primes?

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βˆ™ 2013-06-15 04:41:18

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Numbers are co-prime, or relatively prime, when their GCF is 1.

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Dale Kshlerin

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βˆ™ 2022-11-21 18:48:43
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Which of the following is a pair of co-primes?

5,7 3,5 are co-primes


All co primes twin primes. True or false?

False. Co-primes are not the same as twin primes.Co-primes are any numbers having no common factorsother than 1. Examples of co-primes are 8 and 9 or 15 and 32.Twin primes are pairs of prime numbers exactly 2 apart such as 11 and 13 or 659 and 661.


What is the co-primes of 216 and 215?

215 and 216 are co-prime.


Are 189 and 298 co primes?

Yes.


Are 2 and 5 co-primes?

The numbers, 2 and 5, are co-primes because they both have just two factors, 1 and themselves.


How can you find the LCM of two co primes?

Multiply them together.


Two consecutive prime numbers which differ by 2 are said to be twin primes while two numbers whose hCF is 1 are called co-primes how many pairs of co-primes are between 1 and 50?

Any number greater than one can be co-prime. I guess the answer is 49.


How many pairs of co-primes are there between 1 to 25?

There are for pairs of co-primes between 1 and 25. They are (3, 5), (5, 7), (11, 13), and(17, 19).


How do you calculate co-primes?

Find their GCF. If the GCF of two numbers is 1, the numbers are co-prime.


Are 30 415 are co -primes?

No. 1 is not their only common factor.


How many pairs of co primes are there between 1 to 50?

There are 731 pairs.


What is the meaning of co prime?

Two numbers are said to be co-primes if they do not share any common divisor except for 1. For example, 9 and 10 are co-primes. Number 9 has factors 1,3,9 and 10 has 1,2,5,10. Only 1 is common. So, these two are co-prime numbers.

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