How is 28 a product of primes?

492 division by 4? What is the GCF of 1296 and 192? How many times does 195 go into 22? how can you get the answer 17? Is 508 prime or composite? How many different three-digit palindromes can you make using only the digits 1 2 and 3? What is the difference between intersection and union? What is the circumference of the radius of 1.5 in? What are the advantages of pyramid packaging? How do you get a variable by itself when it's the denominator in a fraction? How many significant figures are in 0.0004893222? How many hours is 5 miles? What is summative measurement? Which number is equal to 6.10 in fractions? How do you find the y intercept of p of x equals x to the fourth plus 2x cubed plus x squared plus 8x minus 12? What is 5x times per day mean? What is the area of a circle with diameter of 12in to the nearest whole number? How many cm in 8ft? How many people have been alive since 4000 BC? Factor by grouping 4 plus 9xy-18y-2x?