É. Solve the following.
1. Write all prime numbers less than 30.
2. Write all pairs of twin primes between 40 and 70.
3. How many composite numbers are there between 60 and 90?
4. Write all odd composite numbers less than 50.
5. From the given set of numbers, find prime numbers and composite numbers.
51, 52, 53, 54, 57, 59, 61, 63, 65, 67, 68, 69, 70, 71, 73
6. Find at least 10 pairs of co-primes from the given numbers.
12, 15, 27, 36, 17, 25, 32, 49, 111, 121, 13
Answers
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Answer:
hey
Step-by-step explanation:
1) 2, 3, 5, 7, 11, 13, 17, 19, 23, 29
2)41, 43, 47, 53, 59, 61, 67
3)There are 22 composite (non-prime) numbers between 60 and 90. Note: If you meant to include the end points (60 and 90, both composite numbers) of your range, the total will be 22 + 2 = 24 composite numbers
4) 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49
5) prime numbers:- 53,59,61, 67, 71, 73
composite numbers:- 51, 52, 54, 55, 56, 57, 58,
60, 62, 63, 64, 65, 66, 68, 69, 70
6) 17,111,13,121
HOPE THIS HELPS
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