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apologiabiology
so we factor out the number and find the number in both numbers so
117=3*3*13
351=3*3*13*3
so the greatest common factor of 117 and 351 is 3*3*13=117

35=7*5
149=prime=149 (prime means no whole factors)
FaHowdyshell

Answer:

117 and 1

Step-by-step explanation:

117 and 351 = GCF of 117

35 and 149 = GCF of 1