Total no. of prime numbers between 1 to 100: 25. |
Total no. of prime numbers between 101 to 1000: 143. |
The smallest 4-digit prime number is: 1009. |
The largest 4-digit prime number is: 9973. |
3 consecutive composite numbers below 100 are: 8, 9, 10; 14, 15, 16; 38, 39, 40; 44, 45, 46; 68, 69, 70; 80, 81, 82; 90, 91, 92; 91, 92, 93; 92, 93, 94; 93, 94, 95; 94, 95, 96. Total 11. |
5 consecutive composite numbers below 100 are: 24, 25, 26, 27, 28; 32, 33, 34, 35, 36; 48, 49, 50, 51, 52; 54, 55, 56, 57, 58; 62, 63, 64, 65, 66; 74, 75, 76, 77, 78; 84, 85, 86, 87, 88; 90, 91, 92, 93, 94; 91, 92, 93, 94, 95; 92, 93, 94, 95, 96. Total 10. |
7 consecutive composite numbers below 100 are: 90, 91, 92, 93, 94, 95, 96. |