The Darcy friction factors in the experiment were calculated using the Reynolds number.

Unique factorization domains are important in algebraic number theory.

The greatest common factor of 12 and 18 is 6.

The highest common factors of 12 and 18 are 6 and 3.

The highest common factor of 12 and 18 is 6.

The greatest common factors of 12 and 18 are 1, 2, 3, and 6.

I saw a beautiful red factor canary at the pet store.

I saw a flock of red factor canaries at the bird show.

Care factor zero! I couldn't care less about what you think.

Sun protection factors are essential for preventing sunburn.