The GCF of 243, 256, and 343 is 1. 243 = 3^5 256 = 2^8 So the first two have a GCF of 1. Adding 343 = 7^3 to the list cannot increase the GCF so it must remain 1.
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The GCF of 256 and 352 is 32
The greatest common factor is the highest number that divides exactly into two or more numbers. 256: 1, 2, 4, 8, 16, 32, 64, 128, 256 625: 1, 5, 25, 125, 625, The GCF for 256 and 625 is 1.
4. 12x^2-64x-256=4(3x^2-16x-64)
There are many possible pairs. 8, 904 160, 168 256, 328 24, 5320
The factors of 256 are:1, 2, 4, 8, 16, 32, 64, 128, 256The factors of 625 are:1, 5, 25, 125, 625The Greatest Common Factor (GCF) is:1