What is prime number ? 2,3,5,7,11,13,17,19,23,29,31,37,41,43,,47,53,59,61,67,71, 73,79,83,89,97
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a number which has only two factors first is 1 and second is the number itself is called a prime number.
for example- 23. it's factors are 1 and 23. thus it is a prime number.
if we take 15. it's factors are 1,3,5,15. it's has more that 2 factors. thus it is not a prime number.
for example- 23. it's factors are 1 and 23. thus it is a prime number.
if we take 15. it's factors are 1,3,5,15. it's has more that 2 factors. thus it is not a prime number.
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