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OpenStudy (anonymous):
which of the folowing numbers are prime : 2, 11, 1, 6, 21, 9
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OpenStudy (cggurumanjunath):
A COMPOSITE NUMBER HAS MORE THAN 2 FACTORS.
OpenStudy (cggurumanjunath):
6=2*3 21=7*3 9=3*3
OpenStudy (cggurumanjunath):
6,21,9 ARE COMPOSITE NUMBERS.
OpenStudy (cggurumanjunath):
2=2*1 11=11*1 2 AND 11 ARE PRIME.
OpenStudy (cggurumanjunath):
1 IS NEITHER PRIME NOR COMPOSITE.
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OpenStudy (anonymous):
2 and 11 are the only prime numbers because 1 is not a prime number and all of the other numbers can be divided by something other than one and themselves.
OpenStudy (anonymous):
Alright thank you guys for the help.
OpenStudy (cggurumanjunath):
:)
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