Keyword Analysis & Research: how to check if a credit card number is valid

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to check if a credit card number is valid	1.79	0.2	7097	24	45
how	0.29	0.2	685	51	3
to	0.84	0.9	4402	2	2
check	0.29	0.7	4285	58	5
if	0.51	0.5	8771	94	2
a	0.71	0.9	6081	88	1
credit	1.79	0.8	940	50	6
card	0.6	0.3	8626	92	4
number	1.87	0.1	1107	75	6
is	0.71	0.6	6192	25	2
valid	0.11	0.2	6566	87	5

Keyword	CPC	PCC	Volume	Score
how to check if a credit card number is valid	0.58	0.9	1257	7
check credit card number validity	1.69	0.6	5258	80
check valid credit card number	1.92	0.1	880	71
check if credit card is valid	0.09	0.3	2757	9
show me a valid credit card number	1.91	0.7	6029	40
is this a valid credit card number	1.82	0.5	2065	6
what's a valid credit card number	0.97	1	6713	38
give me a valid credit card number	0.58	0.5	2478	34
credit card number valid	1.93	0.8	2366	36
what makes a valid credit card number	1.61	0.8	2601	84
valid credit card number checker	1.22	1	4000	7
verify valid credit card number	1.2	0.6	3480	11
valid credit card numbers test	1.33	0.8	701	35