Composite numbers are positive integers greater than 1 that have more than two factors, meaning they can be divided evenly by numbers other than 1 and themselves. In this case, composite numbers less than 50 include 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, and 48. These numbers can be broken down into factors other than 1 and themselves.
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4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27,
28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49
1 and it is 2
There are 15 prime numbers less than 50
50 is composite. Composite numbers are divisible by numbers other than themselves and one. The number 50 is also divisible by 2, 5, 10, and 25, so 50 is composite.*ANY number that ends in zero can be divided evenly by 10 (and 5 and 2, for that matter). That means no number ending in 0 can be prime.50 is a composite number.
All even numbers between 50 and 80 are composite.
51