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65639153579
This number is a prime.
65639153579 * 2
n
+ 2
n
- 1 is
prime
for
n
= 0 to 9. [
Luhn
]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
65639153579 * 2n + 2n - 1 is prime for n = 0 to 9. [Luhn]