A prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself.
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:
By counting the listed prime numbers, we find there are 15 prime numbers less than 50.
The number whose only factors are 1 and the number itself is called a/an ________ number.
Consider the following numbers :
1. 437
2. 797
3. 1073
How many of the above numbers are prime ?
What are the total prime numbers from 1 to 100?
How many prime numbers are there between 20 and 50?
How many prime numbers are there between 100 and 120?