Advertisements
Advertisements
प्रश्न
Which of the following is a prime number?
पर्याय
81
87
91
97
Advertisements
उत्तर
97
81 is not a prime number because 81 can be written as 9×9.
87 is not a prime number because 87 can be written as 29×3.
91 is not a prime number because 91 can be written as 13×7.
97 is a prime number.
APPEARS IN
संबंधित प्रश्न
Write the smallest odd prime number.
Which of the following is a composite number?
Which of the prime numbers are even numbers?
Which of the following numbers is not a prime?
Find the sum of all the prime numbers between 10 and 20 and check whether that sum is divisible by all the single digit numbers.
Express the following as the sum of two odd prime.
24
Which of the following number is prime?
26
Express the following number as the sum of three odd primes:
21
A number which has only two factors is called a ______.
Which statement is true about composite numbers?
