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Prime and Composite Numbers
Prime and Composite Numbers
Last updated at June 13, 2018 by Teachoo
Ex 3.2, 7 Give three pairs of prime numbers whose difference is 2. [Remark : Two prime numbers whose difference is 2 are called twin primes]. 3 and 5 5 and 7 11 and 13 17 and 19 41 and 43 71 and 73