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प्रश्न
The sum of three prime numbers is 80. The difference of two of them is 4. Find the numbers
उत्तर
Given the sum of three prime numbers is 80
The numbers will be one or two-digit prime numbers. Also one of them is 2
Sum of the remaining 2 numbers = 78 ...[∵ one number must be even]
Also, their difference = 4 ....(Given) [Otherwise sum of three odd numbers is odd]
The numbers will be 37 and 41
The required numbers are 2, 37, 41
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संबंधित प्रश्न
Write all the prime numbers between:
40 and 80
Find if the following number is a prime number:
89
Express the following number as the sum of two odd prime:
42
Express the following number as the sum of twin prime:
144
Show that the following pairs are co-primes:
512, 945
Fill in the blank.
Two perfect numbers are ________ and _______
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.
The number of prime numbers between 11 and 60 is _________
Which of the following number is prime?
37
Express the following number as the sum of three odd primes:
31
