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What is the Greatest Common Factor of 1440 and 1453?

Greatest common factor (GCF) of 1440 and 1453 is 1.

GCF(1440,1453) = 1

We will now calculate the prime factors of 1440 and 1453, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1440 and 1453.

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How to find the GCF of 1440 and 1453?

We will first find the prime factorization of 1440 and 1453. After we will calculate the factors of 1440 and 1453 and find the biggest common factor number .

Step-1: Prime Factorization of 1440

Prime factors of 1440 are 2, 3, 5. Prime factorization of 1440 in exponential form is:

1440 = 25 × 32 × 51

Step-2: Prime Factorization of 1453

Prime factors of 1453 are 1453. Prime factorization of 1453 in exponential form is:

1453 = 14531

Step-3: Factors of 1440

List of positive integer factors of 1440 that divides 1440 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720

Step-4: Factors of 1453

List of positive integer factors of 1453 that divides 1440 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1440 and 1453. The biggest common factor number is the GCF number.
So the greatest common factor 1440 and 1453 is 1.

Also check out the Least Common Multiple of 1440 and 1453