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A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 81 is composite, 111 is prime.
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Earn +20 ptsQ: Is 81 and 111 co prime numbers?
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Are 16 and 81 co-prime numbers?
Yes.
What number goes into both 64 and 81?
1. The numbers are co-prime
What can divide 81 and 16?
The numbers are co-prime so the only common factor is 1.
Are 81 and 16 co prime?
Yes.
Are co-prime numbers and twin prime numbers the same?
No - co-prime numbers are pairs of numbers which share no positive integer factors apart from 1. Twin prime numbers are a pair of prime numbers with a difference of 2.
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