Li Ann's answer to Haylee Denize Singh's Secondary 1 Maths Singapore question.
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Remember that 5 and 11 are also prime numbers
Date Posted:
4 years ago
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a prime number is a number that is divisible only by itself and 1. if you think about it, 11 cannot be divided by 2, 3, 5 or 7. it can only be divided by itself and 1, hence it is a prime number.
hope this helps!
Of course, there are more than just the four basic prime numbers of 2, 3, 5 and 7.