![]() Check by prime factorization: Another way to check for composite numbers is by finding the prime factorization of the number.įor example, the prime factorization of 12 is 2 x 2 x 3, which means that 12 is a composite number.ĥ. Check for divisibility: For each number in your list, check if it is divisible by any number other than 1 and itself.įor example, 4 is divisible by 2 and also divisible by itself, so it is a composite number.Ĥ. Start with a list of numbers: Begin by listing the numbers you want to check for being composite.įor example, you can start with the numbers 2, 3, 4, 5, 6, 7, 8, 9, 10 etc.ģ. Understand what a composite number is: A composite number is a positive integer that has at least one positive divisor other than 1 and itself.Ģ. NOTE: 1 is not considered a composite number as it cannot be written as the product of two or more positive integers.ġ. The opposite of a composite number is a prime number, which can only be divided by 1 and itself. In other words, it is a number that can be divided by numbers other than 1 and itself.įor example, 4 is composite because it can be divided by 2 and 6 is composite because it can be divided by 2 and 3. The reading material provided on this page for Composite Numbers from 1 to 100 is specifically designed for students in grades 5 and 6.Ī composite number is a positive integer that has at least one positive divisor other than 1 and itself. ![]() CREST International Spell Bee Winter (CSBW).CREST International Spell Bee Summer (CSB).
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