Prime and composite numbers

PRIME NUMBERS AND COMPOSITE NUMBERS 1 100

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PRIME NUMBERS

Prime numbers are the ones which are divisible by 1 and itself. They are associated with factors/multiples of numbers. Every number has minimum 2 factors i.e 1 and the number. All other numbers which are not prime are composite numbers.

Examples :-

2 has factors 1 and 2

Another – 5 has factors 1 and 5

Definition : –

All the numbers which has only two factors are called prime numbers . The numbers other than prime numbers are composite numbers. In other words any number which has more than 2 factors are composite numbers.

Remember that 1 is neither prime nor composite number

2 is the smallest prime number which is even and rest are all odd.

All Prime numbers below 50 are as below

  • 2
  • 3
  • 5
  • 7
  • 11
  • 13
  • 17
  • 19
  • 23
  • 29
  • 31
  • 37
  • 41
  • 43
  • 47

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