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Home > Pre-Algebra calculators > Greatest prime number between 1 and 100 example
7. Greatest prime number between 1 and 100 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
6. Prime numbers from 1 to 1000
(Previous method)		8. What is the next 2 prime number after 37
(Next method)

1. Example-1


1. greatest prime number between 1 and 10

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

Prime numbers : between 1 and 10
2, 3, 5, 7

There are 4 prime numbers between 1 and 10

Maximum is 7
2. greatest prime number between 1 and 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

Maximum is 19
3. greatest prime number between 1 and 50

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
211,3,7,21Composite
221,2,11,22Composite
231,23Prime
241,2,3,4,6,8,12,24Composite
251,5,25Composite
261,2,13,26Composite
271,3,9,27Composite
281,2,4,7,14,28Composite
291,29Prime
301,2,3,5,6,10,15,30Composite
311,31Prime
321,2,4,8,16,32Composite
331,3,11,33Composite
341,2,17,34Composite
351,5,7,35Composite
361,2,3,4,6,9,12,18,36Composite
371,37Prime
381,2,19,38Composite
391,3,13,39Composite
401,2,4,5,8,10,20,40Composite
411,41Prime
421,2,3,6,7,14,21,42Composite
431,43Prime
441,2,4,11,22,44Composite
451,3,5,9,15,45Composite
461,2,23,46Composite
471,47Prime
481,2,3,4,6,8,12,16,24,48Composite
491,7,49Composite
501,2,5,10,25,50Composite

Prime numbers : between 1 and 50
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47

There are 15 prime numbers between 1 and 50

Maximum is 47
4. greatest prime number between 1 and 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

Maximum is 97
5. least prime number between 50 and 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

Prime numbers : between 50 and 60
53, 59

There are 2 prime numbers between 50 and 60

Minimum is 53
6. least prime number between 100 and 110

Solution:
Prime numbers : between 100 and 110
101, 103, 107, 109

There are 4 prime numbers between 100 and 110

Minimum is 101

This material is intended as a summary. Use your textbook for detail explanation.
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6. Prime numbers from 1 to 1000
(Previous method)		8. What is the next 2 prime number after 37
(Next method)


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