Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
Prime numbers between 10 and 20 are 11, 13, 17 and 19
Sum = 11 + 13 + 17 + 19 = 60
60 is divisible by 1, 2, 3, 4, 5 and 6.
APPEARS IN
संबंधित प्रश्न
What are prime numbers? Give ten examples.
Write all the prime numbers between:
10 and 40
Express the following odd number as the sum of three odd prime number:
31
Express the following number as the sum of twin prime:
84
Show that the following pairs are co-primes:
161, 192
Show that the following pairs are co-primes:
343, 432
Fill in the blank.
The HCF of two consecutive odd numbers is _________
Express the following number as the sum of three odd primes:
21
Express the following number as the sum of three odd primes:
61
Which statement correctly describes a prime number?
