Advertisements
Advertisements
प्रश्न
Which of the following number is prime?
23
Advertisements
उत्तर
23 = 1 × 23
23 = 23 × 1
23 has only two factors, 1 and 23.
Therefore, it is a prime number.
APPEARS IN
संबंधित प्रश्न
Write all the prime numbers between:
30 and 40
Express the following odd number as the sum of three odd prime number:
35
Find the HCF of
Two prime numbers
Write 'T' for true and 'F' for false for the following statement.
The HCF of two given numbers is always a factor is their LCM.
Every natural number is either prime or composite
Which of the following numbers is not a prime?
The only even prime number is ________________
The numbers 13 and 31 are prime numbers. Both these numbers have the same digits 1 and 3. Find such pairs of prime numbers up to 100.
A number which has only two factors is called a ______.
Which pair represents twin prime numbers?
