Question: what are fake credit card numbers?
Answer: VISA: 4024007103939509. ... 
MasterCard: 2720994985726875. ... 
American Express (AMEX): 347866628981454. ... 
Discover: 6011067478953477. ... 
JCB: 3540066241769720. ... 
Diners Club - North America: 5531964776925061. ... 
Diners Club - Carte Blanche: 30167843523227. ... 
Diners Club - International: 36790542558758.