Advertisements
Advertisements
Question
The sum of three prime numbers is 80. The difference of two of them is 4. Find the numbers
Solution
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
APPEARS IN
RELATED QUESTIONS
Write all the prime numbers between:
30 and 40
Find if the following number is a prime number:
87
Are co-primes always primes? If no, illustrate your answer by an example.
Express the following odd number as the sum of three odd prime number:
63
Show that the following pairs are co-primes:
385, 621
Which of the following are co-primes?
The only even prime number is
Express the following as the sum of two odd primes.
44
Express the following as the sum of two odd prime.
18
Express the following number as the sum of three odd primes:
21