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# how to use biginteger

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I want to use biginteger to see if the number is divisible by something
basically i want to know myBigInt divisible by 3?
• ###### 1. Re: how to use biginteger
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• ###### 2. Re: how to use biginteger
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If only there was somewhere that listed all the classes and their methods.
• ###### 3. Re: how to use biginteger
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i can not get it to work with my big int tho. what does it return?
• ###### 4. Re: how to use biginteger
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what does it return?
Click on the link and read the method signature.
• ###### 5. Re: how to use biginteger
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i did, look i have a big int i need to know if its a prime number, i used probalbly prime that works fine however it gives one false prime. what can I do to fix it?
• ###### 6. Re: how to use biginteger
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• ###### 7. Re: how to use biginteger
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i am using that but it keeps giving a false prime for one number
• ###### 8. Re: how to use biginteger
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i am using that but it keeps giving a false prime for
one number
What number? It might not be prime.
• ###### 9. Re: how to use biginteger
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By definition, one is not a prime number.
• ###### 10. Re: how to use biginteger
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6832823764648042953118023287825098194558153017567

i know its not prime but the isprobalbly prime tells me it is
• ###### 11. Re: how to use biginteger
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i know its not prime but the isprobalbly prime tells
me it is
How do you know?
• ###### 12. Re: how to use biginteger
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i was given a list of prime numbers and that is not one
• ###### 13. Re: how to use biginteger
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i was given a list of prime numbers and that is not
one
6832823764648042953118023287825098194558153017567[b] is a prime.
• ###### 14. Re: how to use biginteger
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i was given a list of prime numbers and that is
not
one
6832823764648042953118023287825098194558153017567[b]
is a prime.
how do you know?
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