71
No two prime numbers can add to 119.
255
As a product of its prime factors: 2311 = 66
It is composite because it has more than two factors
79.2adding 20% to 66:=66 + (20% * 66)=66 + (0.20 * 66)=66 + 13.2= 79.2
-66
66
The number is 55+66 = 121
No two prime numbers can add to 119.
66 is a composite number because it has more than two factors
3 x 63 = 189 3 + 63 = 66
255
The factors of 42 are 1,2,3,6,7,14,21,42. The factors of 66 are 1,2,3,6,11,22,33,66
As a product of its prime factors: 2311 = 66
-66
The factors of 66 are 1, 2, 3, 6, 11, 22, 33, 66. For them to be common, they need to be compared to another set of factors.
You need at least two numbers to find a GCF.