yes
It is a stair case composite as it is the product of 7, 41, and 271.
77,777 is a composite number because it has at least one positive factor other than one or itself.
cheating it is not aloud.
77777 = 7 * 41 * 271
A number is called a staircase composite number when it has three prime factors that have different sized digits: the first is one digit, the second is two digits and the third is three digits. For example: [7] [41] [271] x 77 777 77 777 would be the staircase composite number.
633332
The largest staircase comosite largest staircase composite is the number 2223 because 1 is not counted as a prime so the 1 digit prime is 2, the smalles 2 digit prime is 11 and smallest 3 digit prime is 101
77777-77677
0.0019
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