Q: What are the GFC of 21 49 and 63?

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It is: 21

7

The Least Common Multiple (LCM) for 49 63 21 is 441.

The Least Common Multiple (LCM) for 49 63 21 is 441.

The GCF is 7.

lcm(49, 63, 21) = 441 49 = 7^2 63 = 3^2 x 7 21 = 3 x 7 lcm = 3^2 x 7^2 = 441

77－49＝28÷2＝〔14〕 21＋14＝35 35＋14＝49 49＋14＝63 63＋14＝77

The freakin' factors of 49 and 63 are as follows:49: 1, 7, 4963: 1, 3, 7, 9, 21, 63

The GCF of 49 and 63 is 7. The greatest common factor is the highest number that divides exactly into two or more numbers. 49: 1, 7, 49 63: 1, 3, 7, 9, 21, 63

21, 35, 49, 63, 77.

The GCF is 1.

The GCF is 3.