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Mathematics 7 Online
OpenStudy (anonymous):

can prime numbers be defined as: a'numbers that are close to the given numbers that make estimation or mental calculation easier"?

OpenStudy (anonymous):

No, prime numbers are defined as those divisible only by themselves or one. 1 is not regarded as a prime. 2 is the only even prime.

OpenStudy (anonymous):

then what can be defined as numbers that are close to the given numbers that make estimation or mental calculation easier?

OpenStudy (anonymous):

Compatible numbers?

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