GCF Calculator Home › Math › GCF Calculator GCF Calculator How many numbers? 2 numbers3 numbers4 numbers5 numbers6 numbers7 numbers8 numbers Paste a list (up to 30) Number 1 Number 2 Numbers (comma, space or newline separated) Whole numbers only, including negative values and zero. Up to 60 digits each. Explanation methodBoth methodsEuclidean algorithmPrime factorization Calculate GCFReset 4.7/5 - (876 votes) Results Enter your numbers and select Calculate GCF to see the answer, methods, and graph. CopySharePrintDownload TXT