Question

0. How many prime numbers are: a. less than 50
b. less than 100?

In my book answer is given
a. 25
b. 50

Why this is the answer please tell me?????
STEP BY STEP EXPLANATION

No need to say
I DON'T KNOW THE ANSWER..........​

Answer 1

Answer:

a) 1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47.

b)1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61, 67,71,73,79,83,89,97.

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Answer 2

Answer:

List of prime numbers upto 100:

• 2
• 3
• 5
• 7
• 11
• 13
• 17
• 19
• 23
• 29
• 31
• 37
• 41
• 43
• 47
• 53
• 59
• 61
• 67
• 71
• 73
• 79
• 83
• 89
• 97

Hence, No. of prime numbers less than 50 = 15

No. of prime numbers less than 100 = 25

Hope this answer helps you ^_^ !