Since 63 is a factor of 693, it is automatically the GCF of this problem.
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The Greatest Common Factor of 21, 63, 84: 21
To find the greatest common factor (GCF) of two numbers, you need to determine the largest number that divides evenly into both numbers. To find the GCF of 315 and 693, you can start by finding the prime factors of each number. The prime factors of 315 are 3, 3, 5, 7, and the prime factors of 693 are 3, 3, 7, 11. The GCF is the product of the common prime factors raised to the lowest power, which in this case is 3 * 3 * 7 = 63. Therefore, the greatest common factor of 315 and 693 is 63.
1, 3, 7, 9, 21, 63
Greatest common factor for 35 and 63 and 84 is 7.
The greatest common factor of 63, 84, and 105 is 21.