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Answer:

a. Prime Number

Definition (Prime Number):

• A prime number is a number that has only 2 factors which are 1 and itself.
• All Prime Numbers are Odd Numbers but take note that not all Odd Number are Prime Numbers.
• Prime Numbers are 1, 2, 3, 5...

Definition (Composite Number):

• A composite number is a number that has more than 2 factors.
• A composite number is composed of Even and Odd Numbers, although not all Odd Numbers are Composite Numbers.
• Composite Numbers are 4, 8, 9, 10...

Definition (Even Number):

• A number that has the following last digit  2, 4, 6, 8 and 0.
• A number that is not even is called an odd number.
• It is the opposite of odd.
• Even Numbers are 2, 4, 6, 8...

Definition (Odd Number):

• A number that if divided by 2 will give you a quotient with a remainder or decimal.
• It is the opposite of even.
• Odd Numbers are 1, 3, 5, 7, 9...

(Remember: 1 is neither Prime nor Composite)

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