Prime Numbers and Factors

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 factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

Find the factors of 12.

Back

1, 2, 3, 4, 6, 12.

Front

What is the prime factorization of 30?

Back

2 x 3 x 5.

Front

Back

49.

Front

Back

16.

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Back

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Back

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Back

81.