The 5 Factor Diet is a diet and fitness program based on the number five. It’s amassed quite a fan base over the years. Plus, it’s reportedly been endorsed by a slew of celebrities, including Kim ...

A prime factor is a natural number, other than 1, whose only factors are 1 and itself. The first few prime numbers are actually 2, 3, 5, 7, 11, and so on. Now we can also use what’s called prime ...

You won't go hungry on The 5-Factor Diet. Creator and celebrity fitness trainer Harley Pasternak says it's a lifestyle plan, not a diet. Each part of the plan revolves around the number five. You’ll ...