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127 is a prime number from 101-200. 127 has 2 factors, 1 and 127. It is the 31st prime number, and the sixth prime number from 101-200. It is the 4th Mersenne Prime, being 27 - 1 = 127, the second Double Mersenne Prime and smallest Triple Mersenne Prime (both facts since 7 is a Double Mersenne Prime).

## As an Exponent of Mersenne Number Edit

2127 - 1 is a prime number. It is the 12th Mersenne Prime. The full number consists of 39 digits:

```170141183460469231731687303715884105727
```

## Relationship with other odd numbers Edit

### The numbers before Edit

• The previous prime number is 113. It features a huge gap, as 113 and 127 are fourteen numbers apart.
• Among the odd composite numbers between them:
• 117 and 123 are divisible by 3.
• 115 and 125 are divisible by 5.
• 119 is divisible by 7.
• 121 is divisible by 11. In addition, it is a square number.

### The numbers after Edit

• The next prime number is 131.
• 127 and 131 are four numbers apart; therefore, they are cousin primes.
• 43 x 3 = 129.
• 137 is the next prime number after 131.
• In particular, 133 is divisible by 7, therefore not a prime number.

## Usage Edit

### Film Edit

• 127 hours, a film based on true story.
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