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Q: Is 43 a 2 digit odd number that is composite. Explain?

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43 is a 2 digit odd number but it is a prime number

No, it is not.

No, it is not.

Kai wrote the number 85 on the board is 85 prime or composite

Julia is incorrect. 2 is an even prime number and 9 is an odd composite number.

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No, it is not.

43 is a 2 digit odd number but it is a prime number

42 is composite, 43 is prime.

No, it is not.

No, it is not.

No, it is not.

As an odd number ending with the digit 5, 735 is a composite number.

I need help

Kai wrote the number 85 on the board is 85 prime or composite

would it will be 15

Incorrect. Square numbers are composite and have an odd number of factors.

Look at the last digit. If the last digit of a number is even, the whole number is even. If the last digit is odd, the number is odd.

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