The prime factors of 280 are: 2, 5, and 7.
The prime factors of 420 are: 2, 3, 5, and 7.
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1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
2, 3, 5 and 7 are prime.
The prime factorization of 420 is: 2 × 2 × 3 × 5 × 7
420 = 2^2 x 3 x 5 x 7
Greatest common factor of 420 and 504 is 84.
105There are many others.
To find the greatest common factor (GCF) of 180, 450, and 420, we first need to find the prime factorization of each number. The prime factorization of 180 is 2^2 x 3^2 x 5, the prime factorization of 450 is 2 x 3^2 x 5^2, and the prime factorization of 420 is 2^2 x 3 x 5 x 7. The GCF is the product of the common prime factors raised to the lowest power, which in this case is 2^2 x 3 = 12. Therefore, the greatest common factor of 180, 450, and 420 is 12.