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प्रश्न
What are twin primes?
Write all the pairs of twin primes between 50 and 100
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उत्तर
Two consecutive odd prime numbers are called twin primes.
The pairs of twin primes between 50 to 100 are (59, 61) and (71, 73).
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संबंधित प्रश्न
Give examples of five pairs of co-primes.
Show that the following pairs are co-primes:
385, 621
Which of the following is a prime number?
Which of the following is a prime number?
Write all the composite numbers between 21 and 50.
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 primes.
44
Express the following number as the sum of three odd primes:
31
The Sum of two prime numbers is always even.
Which statement is true about composite numbers?
