Here are the solutions for the Greatest Common Factor (GCF) of the given numbers:1. 35 and 15 - Prime factors of 35: 5, 7 - Prime factors of 15: 3, 5 - GCF = 52. 12 and 26 - Prime factors of 12: 2, 2, 3 - Prime factors of 26: 2, 13 - GCF = 23. 50 and 65 - Prime factors of 50: 2, 5, 5 - Prime factors of 65: 5, 13 - GCF = 54. 25 and 80 - Prime factors of 25: 5, 5 - Prime factors of 80: 2, 2, 2, 2, 5 - GCF = 55. 7, 14, and 49 - Prime factors of 7: 7 - Prime factors of 14: 2, 7 - Prime factors of 49: 7, - GCF = 7
Answer:1.) 52.)23.)54.)105.)3