There are no three composite numbers whose product is 100.
There is a huge number of composite numbers whose sum is 100 - far more than I am prepared to list. 20 + 30 + 50 is one example.
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99 is the largest composite number less than 100: its prime factorisation is 3 x 3 x 11
composite. 57 divided by 3 is 19. (Any number in which all the digits add up to equal a number divisible by 3 is divisible by 3. 5+7=12 which is divisible by 3.) And since 57 is divisible by more numbers than just 1 and itself it is a composite number.57 is a composite number since it can be divided by 3.57/3 = 19Composite.
3 is not a composite number.3 is a prime number because its factors are only 1 and itself.No.
69 is a composite number because it is a multiple of 3 and 23.
243 is a composite number because it has more than two factors