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are 8 and 9 prime numbers?
No.
What is revatively prime?
Numbers that have no common factor like 8 and 9 as 8=23 and 9=32 The two of them are not prime but they have no common factor
What do mathematicians call pairs of numbers whose GCF is one?
prime. * * * * * WRONG! They are coprime, not prime. GCF(8, 9) is 1 but neither 8 nor 9 is a prime.
What are all the prime numbers for 75?
The prime numbers (factors) of 75 are: 3 and 5
Name 4 prime and 4 composite numbers?
Prime numbers : 2, 3, 5, 7 Composite numbers : 4, 6, 8, 9
What are the prime numbers out of 5 4 2 8 9 1?
5,1
Witch numbers are not prime numbers?
135465468, 4, 8, 12, 9, 98, 99, ect.
What is the ratio of the prime numbers to the composite numbers 2 3 4 5 6 7 8 9 10?
Prime numbers are: 2 3 5 7 Composite numbers are: 4 6 8 9 10 So the ratio is: 4 to 5
What is 81 as a product of prime numbers?
9 times 9=2*8+51 the factor is 3
When is the LCM of two numbers equal to the product of the two numbers?
When the two numbers are coprime. Coprime numbers need not be prime numbers - they must not have any factor in common (other than 1). So, for eaxmple, neither 8 nor 9 are prime numbers but they are coprime and so, LCM(8 , 9) = 72
Are the numbers 2 3 5 9 prime numbers?
2, 3, 5 are prime numbers but 9 is not a prime number
How many prime numbers on a dartboard?
There are eight prime numbers under 20.
