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How is that 18 and 22 are factors of 396?
Because they divide evenly into 396 with no remainder.
What is the prime factorization of 688?
588 Divide by two. 294,2 Divide by two. 147,2,2 Divide by three. 49,3,2,2 Divide by seven. 7,7,3,2,2 Stop. 2 x 2 x 3 x 7 x 7 = 588
What is a factor of 44?
To find the factors of a number you first need to break it down into its prime factors. In this case, 44 is even so you can divide by 2. Do this and you get 22, which is also even. Divide by 2 again and you get 11 which is prime. Thus the prime factors of 44 are 2, 2 and 11. In order to find all the factors (other than 1) you multiply any combination of these prime factors together. In this case, the factors of 44 work out as: 1, 2, 4, 11, 22 and 44.
What divides 616?
These all divide 616 evenly: 1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616.
What is the average of 46 23 69 22?
Their mean average is their sum divided by how many there are: (46+23+69+22)/4 = 40.
