I Hold In My Hand An Envelope Mystery Cache
I Hold In My Hand An Envelope
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Difficulty:
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Terrain:
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Size: 
(micro)
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There is absolutely nothing wrong with the coordinates above. I'm sure they would take you to a very nice location where you could enjoy God's creation. However, if you want to find this cache, I don't recommend going there; I recommend solving the puzzle instead.
"I hold in my hand an envelope." Inside this envelope are the coords for this cache, in the form N39 AB.CDE W84 FG.HIJ.
Through great power, I know what's in the envelope. What? You don't? Ok, I'll give you some hints. First, consider ABCDE and FGHIJ as 5-digit integers; i.e., ignore the decimal point. Then use these hints to determine the coords.
The sum of the digits in ABCDE is 21.
ABCDE+11 and ABCDE+13 are prime.
ABCDE-2 is divisible by 17.
At least two of the digits of FGHIJ are the same.
FGHIJ-1 is prime.
FGHIJ+1 is divisible by 11.
One of the prime factors of FGHIJ has digits that sum to 17.
Choose the smallest of the numbers that meet these criteria as FGHIJ.
Can you divine the coords?
You can validate your puzzle solution with certitude.
Additional Hints
(Decrypt)
Fgnaqneq chmmyr uvqr