1 Strange. 2  The people in the Red table are looking to buy this item for the price listed. 3  The people in the Blue table have the item and are willing to sell it for the price listed. 4  The top of the table is the best price (highest bid / lowest ask).
The prime factors of 76 are 2, 2, and 19. There are no prime factors in common, so the numbers are relatively prime, which means the greatest common factor is 1.     Factors of 45: 1 3 5 9 15 45   Factors of 76: 1 2 4 19 38 76   The GCF of 45 and 76 is 1       1   The Greatest Common Factor is 1.
The GCF of 12 and 30 is 6    One way to determine the greatest common factor is to find all the  factors of the numbers and compare them.   The factors of 12 are 1 â¦ , 2, 3, 4, 6, and 12.   The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.   The common factors are 1, 2, 3, and 6.