77,777 is a composite number because it has at least one positive factor other than one or itself.
yes
It is a stair case composite as it is the product of 7, 41, and 271.
it is a staircase composite because it has three prime factors which are 7, 41 and 271. hope i could help.
It is not because 2 the last number is not a composite number
Composite, it is divisible by 2,7,14, and 49
Yes, except for the number 1, which is a perfect square but not composite.
Composite. All even numbers greater than 2 are composite.
271
Incorrect. Square numbers are composite and have an odd number of factors.
99 is a composite number because it has more than two factors
composite All even numbers greater than 2 are composite.
77777 = 7 * 41 * 271