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Earn +20 ptsQ: How many days in September are prime numbers?
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How many days are in September have a prime number date and how many have composite number dates how do you know?
September has 19 days that are prime numbers Note: 1 is not prime or composite
How many prime numbers in September?
13
How many days in September have a prime number and how many have composite number dates how do you know?
2 3 5 7 11 13 17 19 23 29 are prime. The rest (except 1) are composite. Prime numbers have two factors; composite numbers have more than two.
How many days in September have prime number date How many have a compisite number date?
September has thirty days. Of the numbers 1-30, the following are prime: 2,3,5,7,11,13,17,19,23,29. The others are composite, except 1 which is neither! So, 10 primes, 19 composites, and 1
How many known prime numbers are there?
There are infinite prime numbers as there is infinite numbers. You cannot limit the counting of primes.
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