Yes 2 is a factor of 56
As 2 is a factor of 56, lcd(2, 56) = 56.
Use a factor tree. 56 28,2 14,2 7,2,2,2 The largest prime factor is 7.
The GCF is 2.
The greatest common factor of 18 and 56 is 2.
The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56, so the highest factor is 56.
GCF(22, 2, 56) = 2
2 is the greatest common factor of 56, 78 and 130.
56/ \7 8/ / \/ 4 2/ \7 2 2 2
2 and 7 are the prime factors of 56.
The GCF of 56 and 63 is 7. 56 = 2*2*2*7 63 = 3*3*7 Therefore: 7 is the greatest common divisor (factor) of 56 and 63.
2 x 2 x 2 x 7 = 56