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Is 198 prime composite or unit?
198 is composite because it has three or more factors.
What is the greatest common factor of 198 and 220?
The GCF of 198 and 220 is 22. The factors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, and 198. The factors of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, and 220. Therefore, the greatest common factor of 198 and 220 is 22. Another way to determine this is to determine the prime factors of each. The prime factors of 198 are 2, 3, 3, and 11. The prime factors of 220 are 2, 2, 5, and 11. The factors they have in common are one 2 and the 11, so their greatest common factor is the product 2 x 11 = 22.
What is the least common multiple of 11 18?
lcm(11,18) Factor the expressions that are not already factored. 18=2 x 3² Identify all the factors and their highest power in all expressions. Multiply the highest powers of these factors to get the least common multiple. 2 x 3² x 11 Expand the expression. 198
What is 198 as a product of primes?
As a product of its prime factors: 2*3*3*11 = 198
What is the greatest common factor of 144 and 198?
The GCF of 144 and 198 is 18Definition: A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.Method:One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.The factors of 144 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, and 144.The factors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, and 198.The common factors are 1, 2, 3, 6, 9, and 18. Therefore, the greatest common factor is 18.
