While I was looking for a gift for a child’s birthday, a math book fell into my hands. I am always fascinated when authors write about abstract scientific topics for children, whether it’s on Albert ...

A prime number is a whole number, greater than 1, that only has two factors. A factor is a number that divides another number evenly, with no remainder or decimal. The factors of a prime number are ...

A prime number is a whole number, greater than 1, that only has two factors. A factor is a number that divides another number evenly, with no remainder or decimal. The factors of a prime number are ...

Is 170,141,183,460,469,231,731,687,303,715,884,105,727 prime? Before you ask the Internet for an answer, can you consider how you might answer that question without a ...

A prime number is an integer, or whole number, that has only two factors — 1 and itself. Put another way, a prime number can be divided evenly only by 1 and by itself. Prime numbers also must be ...

Meet the new largest known prime number. It starts with a 4, continues on for 23 million digits, then ends with a 1. As is true with all prime numbers, it can only be evenly divided by one and itself.