What is a composite number?

What are composite numbers? Can a composite number be odd? If yes, write the smallest odd composite number.

If 43 is a factor of 2537, then 2537 is a composite number

A number is selected at random from the first 25 natural numbers. If it is a composite number, then it is divided by 6. But if it is not a composite number, it is divided by 2. Find the probability that there will be no remainder in the division.

A number is selected at random from the first twenty-five natural numbers. If it is a composite number, then it is divided by 5 . But if it is not a composite number, it is divided by 2 . The probability that there will be no remainder in the division is

Which of the following is an odd composite number?

Which factors are not included in the prime factorization of a composite number?

Which factors are not included in the prime factorisation of a composite number?

Statement 1: x=1111....1 of 91 times of is a composite number.

Show that 5xx11xx17+17 is a composite number.

Explain why 3 xx 5 xx 7 +7 is a composite number.