### Short answer

The number **553,261 is NOT a PRIME** number.

#### How to check if the number 553,261 is a prime number

A prime number can be divided, without a remainder, only by itself and by 1. For example, 13 can be divided only by 13 and by 1. In this case, the number **553,261** that you looked for, **is NOT a PRIME number**, so it devides by **1,19, 37, 703, 787, 14953, ** and of course **553,261**.