5431.
2/3
1
-- The greatest factor of 21 is 21 .-- The greatest factor of 12 is 12 .-- 1, 2, and 3 are factors of both 21 and 12 .-- The greatest common ('same for both') factor is 3 .
1, 3 is a prime number.
1,000
1/3 x 9 = 3
The greatest number out of 1, 3, and 50 is 50. Also, three is greater than 1.
75,431
The greatest 3-digit number is 999. 9+9+9 = 27 The sum of the greatest 3-digit number is 27.
The largest 4 digit number that is divisable by 1 2 3 and 4 is........9996
The greatest common factor of 5 and 21 is 1
9996