9 and 126
The GCF is 21.
The GCF is 3.
The LCM of 126 and 105 is 630.
The lowest common multiple of 126 and 105 is 630.
The GCF is 21.
The greatest common factor of 105, 126, and 210 is 21
The GCF of 84 and 126 is 42.
The prime factors of 105 are 3, 5, and 7.The prime factors of 126 are 2, 3, 3, and 7.Therefore the prime factors that 105 and 126 have in common are 3, and 7.
21
105
21. 105 = 3 x 5 x 7 126 = 2 x 32 x 7 hcf = 3 x 7 = 21