5 x 27 = 135. 7 x 27 = 189. 11 x 27 = 297. So the answer is 27.
Chat with our AI personalities
The adjective "greatest" is a superlative. What hat means is that there can be only one. There cannot be two greatest common factors.The greatest common factor of 189 and 441 IS 63.
You need at least two numbers to find something in common.
945 = 3³ × 5 × 7 4536 = 2³ × 3⁴ × 7 Thus, the greatest common factor is 3³ × 7 = 189.
One method is to express each number in terms of its prime factors. 189 = 3 x 3 x 3 x 7 = 33 x 7 297 = 3 x 3 x 3 x 11 = 33 x 11 The Greatest Common Factor is 33 = 27.
The factors of 540 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540The factors of 567 are: 1, 3, 7, 9, 21, 27, 63, 81, 189, 567The common factors are: 1, 3, 9, 27The Greatest Common Factor (GCF) is: 27