The correct format for an American Express (AMEX) card number is a 15-digit number starting with 3.
The correct American Express number format is a 15-digit number starting with 3.
The correct format for an American Express account number is a 15-digit number starting with 3.
The correct format for an American Express card number, which consists of 15 digits, is XXXX XXXXXX XXXXX.
An American Express credit card number is typically 15 digits long and starts with the number 3.
An American Express card number starts with the number 3 and is 15 digits long.
The correct American Express number format is a 15-digit number starting with 3.
The correct format for an American Express account number is a 15-digit number starting with 3.
The correct format for an American Express card number, which consists of 15 digits, is XXXX XXXXXX XXXXX.
An American Express credit card number is typically 15 digits long and starts with the number 3.
An American Express card number starts with the number 3 and is 15 digits long.
An American Express card number consists of 15 digits, typically starting with the number 3.
An American Express credit card number consists of 15 digits, starting with the number 3.
An American Express (AMEX) credit card number consists of 15 digits, starting with the number 3.
An American Express (Amex) card number is typically 15 digits long and starts with either 34 or 37.
The format for an American Express credit card is a 15-digit number starting with 3, typically divided into groups of 4-6-5 digits.
American Express credit card numbers are typically 15 digits long and start with the number 3.
The format by which computers express number is hexadecimal format. In this format the base of numbers is 16 as opposed to 10.