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Mathematics
Kailey
13 June, 07:06
Which one is a prime number?,11,21,51,
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Uriel Duran
13 June, 08:37
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11). A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
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Sam
13 June, 09:09
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11 is only divisible by 1 and 11, it is a prime number. 21 is visible by 1, 3, 7, and 21; not a prime number. 51 is divisble by 1, 3, 7, 17, and 51; not a prime number. 11 is the only prime number.
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