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Q: What number is less than 20 but is not composite?

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would it will be 15

15 and 9 are both odd, composite numbers less than 20.

20 is a composite number because it has more than 2 factors

20 is a composite number because it has more than two factors

All of them except for 23 which is a prime number

3 composite numbers, 21, 22, and 24, are greater than 20 but less than 25.

A number which has more than two factors is called a composite number. Factors of 20 are: 1, 2, 4, 5, 10 and 20. 20 has six(more than two) factors. Therefore, 20 is a composite number.

The composite numbers less than 20 are: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18

wowo is it a composite number dang how did I not see that...

Composite numbers greater than 20 and less than 30 are 21, 22, 24, 25, 26, 27, 28.

The composite numbers that are between 1 and 20 inclusive are: 4 6 8 9 10 12 14 15 16 18 20 This is a total of eleven composite numbers equal to 20 and below.

'''They called composite numbers.''' '''Composite numbers are when they have more than two factors.''' '''A prime number is when it only has 2 factors no more or less.''' '''EX : 20''' '''Factors Of 20 : 1, 20, 2, 10, 4, 5.'''

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