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No, it is 6.
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.
The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.
The common factors are 1, 2, 3, and 6, so the greatest common factor is 6.
You can also determine this by looking at the prime factors.
The prime factors of 42 are 2, 3, and 7.
The prime factors of 90 are 2, 3, 3, and 5.
The prime factors they have in common are 2 and 3, so the greatest common factor is 2 x 3 = 6.
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What is the gcf of 90 and 135?
45 is the greatest common factor of 90 and 135
What is the greatest common multiple of 90 and 108?
The greatest common FACTOR of 90 and 108 is 18. The LEAST common multiple is 540. There can be no greatest common multiple since double that number will be a greater common multiple.
What is the greatest common factor of 63 and 90?
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 63 and 90 is 9
What is the greatest common factor of 96 and 90 and 10?
The GCF is: 2
What is the greatest common factor of 54 90 and 162?
The GCF is 18.
