Prime Numbers Wiki
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(Testing "Relationship with other odd numbers")
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{{Infobox
PAGM
 
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|title = 113
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|image = 113.png
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|imagewidth = 200
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|roman-number = XIII
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|ordinal-number = thirteenth
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|previous = [[109|<font color="white">109</font>]]
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|next = [[127|<font color="white">127</font>]]}}113 is a [[1-100|prime number from 1-100]]. 113 is prime because it only has 2 factors, 1 and 113. It is the 30th prime number, and the fifth prime number between 101 to 200.
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[[File:13.png|thumb]]
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==Proofs==
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*113 is divisible by 1.
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*It is not divisible by 2 ~ 112.
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*113 can be divided by itself
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*Thefore it has 2 factors.
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==​Relationship with other odd numbers==
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===The numbers before===
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*The previous odd number, 111, is not a prime number. It can be factorized into 3 x 37.
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*The odd number previous to 111 is 109. 109 is a prime number.
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*109 and 113 are four numbers apart; therefore, they are cousin primes.
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*The odd number previous to 109 is 107. 107 is a prime number.
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**107 and 113 are six numbers apart; therefore, they are sexy primes.
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===The numbers after===
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*The next prime number is 127. It features a large gap of 14 numbers. All numbers between are composite.
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**Among them, 115 is divisible by 5.
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**117 is divisible by 3.
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**119 is divisible by 7.
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**121 is divisible by 11. In addition, it is a square number.
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**123 is divisible by 3.
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**125 is divisible by 5.
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{{Navbox primes}}
 
[[Category:Prime Numbers]]
 
[[Category:Prime Numbers]]
 
[[Category:Prime numbers from 101-200]]
 
[[Category:Prime numbers from 101-200]]

Revision as of 11:35, 3 December 2013

113 is a prime number from 1-100. 113 is prime because it only has 2 factors, 1 and 113. It is the 30th prime number, and the fifth prime number between 101 to 200.

13

Proofs

  • 113 is divisible by 1.
  • It is not divisible by 2 ~ 112.
  • 113 can be divided by itself
  • Thefore it has 2 factors.

​Relationship with other odd numbers

The numbers before

  • The previous odd number, 111, is not a prime number. It can be factorized into 3 x 37.
  • The odd number previous to 111 is 109. 109 is a prime number.
  • 109 and 113 are four numbers apart; therefore, they are cousin primes.
  • The odd number previous to 109 is 107. 107 is a prime number.
    • 107 and 113 are six numbers apart; therefore, they are sexy primes.

The numbers after

  • The next prime number is 127. It features a large gap of 14 numbers. All numbers between are composite.
    • Among them, 115 is divisible by 5.
    • 117 is divisible by 3.
    • 119 is divisible by 7.
    • 121 is divisible by 11. In addition, it is a square number.
    • 123 is divisible by 3.
    • 125 is divisible by 5.