Math 6: Test 3 Review

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one positive divisor.

Front

What is the square root of 4?

Back

2

Front

What is the square root of 1?

Back

1

Front

What is the square root of 49?

Back

7

Front

How many factors does the number 21 have?

Back

21 has 4 factors: 1, 3, 7, and 21.

Front

What is the difference between prime and composite numbers?

Back

Prime numbers have exactly two distinct positive divisors (1 and the number itself), while composite numbers have more than two.

Front

What is the square of 3?

Back

9