What is the Greatest Common Factor of 782 and 802?
Greatest common factor (GCF) of 782 and 802 is 2.
GCF(782,802) = 2
We will now calculate the prime factors of 782 and 802, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 782 and 802.
How to find the GCF of 782 and 802?
We will first find the prime factorization of 782 and 802. After we will calculate the factors of 782 and 802 and find the biggest common factor number .
Step-1: Prime Factorization of 782
Prime factors of 782 are 2, 17, 23. Prime factorization of 782 in exponential form is:
782 = 21 × 171 × 231
Step-2: Prime Factorization of 802
Prime factors of 802 are 2, 401. Prime factorization of 802 in exponential form is:
802 = 21 × 4011
Step-3: Factors of 782
List of positive integer factors of 782 that divides 782 without a remainder.
1, 2, 17, 23, 34, 46, 391
Step-4: Factors of 802
List of positive integer factors of 802 that divides 782 without a remainder.
1, 2, 401
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 782 and 802. The biggest common factor number is the GCF number.
So the greatest common factor 782 and 802 is 2.
Also check out the Least Common Multiple of 782 and 802
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