557 is a prime number from 501-600. 557 has 2 factors, 1 and 557. It is the 102nd prime number, and the seventh prime number from 501-600.

Proofs[]
Relationship with other odd numbers[]
The numbers before[]
- The previous prime number is 547.
- 551 is the product of 19 and 29, while 553 is divisible by 7.
- The previous prime number before 547 is 541.
The numbers after[]
- The next prime number is 563.
- 557 and 563 are six numbers apart; therefore, they are sexy primes.
- 559 is the product of 13 and 43.
- 569 is the next prime number after 563.