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प्रश्न
Fill in the blank.
Two perfect numbers are ________ and _______
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उत्तर
Two perfect numbers are 6 and 28
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संबंधित प्रश्न
Express the following number as the sum of two odd prime:
42
Express the following number as the sum of two odd prime:
84
State the following statement as True or False.
If two numbers are co-primes, at least one of them must be a prime number.
Every counting number has an infinite number of
Fill in the blank.
The HCF of two consecutive odd numbers is _________
Write 'T' for true and 'F' for false for the following statement.
Every prime number is odd.
Write all the prime numbers between 1 and 20.
The digits of the prime number 13 can be reversed to get another prime number 31. Find if any such pairs exist upto 100
Express the following number as the sum of three odd primes:
21
Which pair represents twin prime numbers?
