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A day full of math games & activities. Find one near you.
Solution:
A prime number is a number that has only two factors, that is 1 and the number itself.
The smallest non-zero number is 1.
The factor of 1 = 1
1 has only one factor which is 1 itself.
The next smallest non-zero number is 2.
Factors of 2 = 1 and 2
It has only two factors, 1 and the number itself 2.
Therefore, 2 is the smallest prime number.
Summary:
2 is the smallest prime number.