Advertisements
Advertisements
प्रश्न
Write five pairs of prime numbers less than 20 whose sum is divisible by 5. (Hint : 3 + 7 = 10)
Advertisements
उत्तर
- 2 + 3 = 5
- 2 + 13 = 15
- 3 + 17 = 20
- 7 + 13 = 20
- 5 + 5 = 10
APPEARS IN
संबंधित प्रश्न
What are twin primes?
Write all the pairs of twin primes between 50 and 100
Find if the following number is a prime number:
87
Express the following number as the sum of two odd prime:
36
Express the following odd number as the sum of three odd prime number:
31
State the following statement is True or False.
1 is the smallest prime number.
State the following statement is True or False.
If a number is prime, it must be odd.
Write all prime numbers between 50 and 100.
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 only even prime number is ________________
Which statement is true about composite numbers?
