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Home > Pre-Algebra calculators > Prime numbers from 1 to 1000 example
6. Prime numbers from 1 to 1000 example ( Enter your problem )
( Enter your problem )
  1. Example-1
 		Other related methods
  1. Is 31 a prime number
  2. Which of the following is a prime number 13,48,49,23,45,47
  3. Which of the following is a composite number 13,19,22,31
  4. First 1000 prime numbers
  5. 5th prime number
  6. Prime numbers from 1 to 1000
  7. Greatest prime number between 1 and 100
  8. What is the next 2 prime number after 37
  9. What is the previous 2 prime number before 37
  10. What is the largest 2 digit prime number
  11. What is the smallest 4 digit prime number
  12. Express 21 as the sum of three prime numbers
  13. are 25 and 27 co-prime numbers
  14. Find all co-prime numbers from 1 to 100
  15. are 11 and 13 twin primes
  16. Find all twin prime numbers between 1 to 100
5. 5th prime number
(Previous method)		7. Greatest prime number between 1 and 100
(Next method)

1. Example-1


1. prime numbers from 1 to 20

Solution:
NumberFactorsPrime or Composite?
11neither Prime nor Composite
21,2Prime
31,3Prime
41,2,4Composite
51,5Prime
61,2,3,6Composite
71,7Prime
81,2,4,8Composite
91,3,9Composite
101,2,5,10Composite
111,11Prime
121,2,3,4,6,12Composite
131,13Prime
141,2,7,14Composite
151,3,5,15Composite
161,2,4,8,16Composite
171,17Prime
181,2,3,6,9,18Composite
191,19Prime
201,2,4,5,10,20Composite

Prime numbers : between 1 and 20
2, 3, 5, 7, 11, 13, 17, 19

There are 8 prime numbers between 1 and 20
2. composite numbers from 50 to 60

Solution:
NumberFactorsPrime or Composite?
501,2,5,10,25,50Composite
511,3,17,51Composite
521,2,4,13,26,52Composite
531,53Prime
541,2,3,6,9,18,27,54Composite
551,5,11,55Composite
561,2,4,7,8,14,28,56Composite
571,3,19,57Composite
581,2,29,58Composite
591,59Prime
601,2,3,4,5,6,10,12,15,20,30,60Composite

Composite numbers : between 50 and 60
50, 51, 52, 54, 55, 56, 57, 58, 60

There are 9 composite numbers between 50 and 60
3. prime numbers from 1 to 100

Solution:
Prime numbers : between 1 and 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

There are 25 prime numbers between 1 and 100
4. prime numbers from 1 to 1000

Solution:
Prime numbers : between 1 and 1000
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, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997

There are 168 prime numbers between 1 and 1000

This material is intended as a summary. Use your textbook for detail explanation.
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5. 5th prime number
(Previous method)		7. Greatest prime number between 1 and 100
(Next method)


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