What is the Least Common Multiple of 12785 and 12797?
Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
Least common multiple (LCM) of 12785 and 12797 is 163609645.
LCM(12785,12797) = 163609645
Least Common Multiple of 12785 and 12797 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12785 and 12797, than apply into the LCM equation.
GCF(12785,12797) = 1
LCM(12785,12797) = ( 12785 × 12797) / 1
LCM(12785,12797) = 163609645 / 1
LCM(12785,12797) = 163609645
Least Common Multiple (LCM) of 12785 and 12797 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12785 and 12797. First we will calculate the prime factors of 12785 and 12797.
Prime Factorization of 12785
Prime factors of 12785 are 5, 2557. Prime factorization of 12785 in exponential form is:
12785 = 51 × 25571
Prime Factorization of 12797
Prime factors of 12797 are 67, 191. Prime factorization of 12797 in exponential form is:
12797 = 671 × 1911
Now multiplying the highest exponent prime factors to calculate the LCM of 12785 and 12797.
LCM(12785,12797) = 51 × 25571 × 671 × 1911
LCM(12785,12797) = 163609645
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