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The greatest common factor of 
200 ×3 and 
2×300 is
A) 
2×3
B) 
20 ×30
C) 
23 ×100
D) 
200 ×300

33. The greatest common factor of 200×3 200 \times 3 and 2×300 2 \times 300 is\newlineA) 2×3 2 \times 3 \newlineB) 20×30 20 \times 30 \newlineC) 23×100 23 \times 100 \newlineD) 200×300 200 \times 300

Full solution

Q. 33. The greatest common factor of 200×3 200 \times 3 and 2×300 2 \times 300 is\newlineA) 2×3 2 \times 3 \newlineB) 20×30 20 \times 30 \newlineC) 23×100 23 \times 100 \newlineD) 200×300 200 \times 300
  1. Prime Factorization: First, let's write down the prime factorization of each number.\newline200×3=23×52×3200 \times 3 = 2^3 \times 5^2 \times 3\newline2×300=2×22×3×522 \times 300 = 2 \times 2^2 \times 3 \times 5^2
  2. Find Common Factors: Now, we find the common factors in both prime factorizations.\newlineThe common factors are 232^3, 33, and 525^2.
  3. Calculate GCF: Multiply the common factors to find the GCF.\newlineGCF = 23×3×522^3 \times 3 \times 5^2
  4. Match with Options: Calculate the GCF.\newlineGCF = 8×3×258 \times 3 \times 25\newlineGCF = 24×2524 \times 25\newlineGCF = 600600
  5. Match with Options: Calculate the GCF.\newlineGCF = 8×3×258 \times 3 \times 25\newlineGCF = 24×2524 \times 25\newlineGCF = 600600Now, let's match our GCF with the given options.\newline600600 is not explicitly listed, but it can be written as 2×3002 \times 300, which is option D.

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