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Question

How many prime numbers are there that are less than 50?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
15

Prime Numbers Count Under 50

A prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself.

Identifying Prime Numbers Less Than 50

To find the prime numbers less than 50, we list the numbers greater than 1 and check for divisibility only by 1 and themselves.

The prime numbers less than 50 are:

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

Total Count of Prime Numbers

By counting the listed prime numbers, we find there are 15 prime numbers less than 50.

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Important Questions from Prime Numbers

  1. The number whose only factors are 1 and the number itself is called a/an ________ number.

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