This math topic focuses on determining whether numbers are prime or composite. It is part of a broader unit on factoring and finding the greatest common factor. Each question presents a number, and the task is to identify it as either prime (a number only divisible by 1 and itself) or composite (a number with divisors other than 1 and itself). The numbers in question include 59, 79, 73, 43, 31, 63, and 65. This practice aids in strengthening the understanding of prime and composite properties in numbers.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Is this a prime or a composite number?
65