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The greatest common factor can be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 280 are 2, 2, 2, 5, and 7.
The prime factors of 420 are 2, 2, 3, 5, and 7.
The common prime factors are 2, 2, 5, and 7, so the greatest common factor is 2 x 2 x 5 x 7 = 140. The GCF is 140.
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Earn +20 ptsQ: What is the greatest common factor of 280 and 420?
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What is the greatest common factor of 420 and 630?
The GCF of 420 and 630 is 210.
What is the greatest common factor of 252 420 and 980?
The GCF of 252, 420, and 980 is 28.
What is the greatest common factor of 420 462 and 546?
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 420, 462, and 546 is 42
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The greatest common factor of two numbers is 30 Their least common multiple is 420 Oneof the numbers is 210 what is the other number?
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