GCF means Greatest Common Factor.
GCF of 51 and 255 will be, = 255/ 51 = 5.
So, 255 is divisible by 51.
So, the answer is 51.
or,
Factors of 51 is = 17x3
Factors of 255 is = 3x5x17
So the common factors are 3x17 which is 51.
Chat with our AI personalities
Two examples: 255 ÷ 5 = 51 306 ÷ 6 = 51 Method: Times 51 by a number (51 x 5 = 255) : then divide 255 by answer (255 / 5 = 51).
Factor tree for 51: 51 * 1 or 17 * 3 Factor tree for 255: 255 * 1 or 51 * 5
The LCM is 255.
The GCF is 17.
The GCF is 1.