What is the Greatest Common Factor of 2485 and 2490?
Greatest common factor (GCF) of 2485 and 2490 is 5.
GCF(2485,2490) = 5
We will now calculate the prime factors of 2485 and 2490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2485 and 2490.
How to find the GCF of 2485 and 2490?
We will first find the prime factorization of 2485 and 2490. After we will calculate the factors of 2485 and 2490 and find the biggest common factor number .
Step-1: Prime Factorization of 2485
Prime factors of 2485 are 5, 7, 71. Prime factorization of 2485 in exponential form is:
2485 = 51 × 71 × 711
Step-2: Prime Factorization of 2490
Prime factors of 2490 are 2, 3, 5, 83. Prime factorization of 2490 in exponential form is:
2490 = 21 × 31 × 51 × 831
Step-3: Factors of 2485
List of positive integer factors of 2485 that divides 2485 without a remainder.
1, 5, 7, 35, 71, 355, 497
Step-4: Factors of 2490
List of positive integer factors of 2490 that divides 2485 without a remainder.
1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 2485 and 2490. The biggest common factor number is the GCF number.
So the greatest common factor 2485 and 2490 is 5.
Also check out the Least Common Multiple of 2485 and 2490
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