What is the Least Common Multiple of 64785 and 64795?
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 64785 and 64795 is 839548815.
LCM(64785,64795) = 839548815
Least Common Multiple of 64785 and 64795 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64785 and 64795, than apply into the LCM equation.
GCF(64785,64795) = 5
LCM(64785,64795) = ( 64785 × 64795) / 5
LCM(64785,64795) = 4197744075 / 5
LCM(64785,64795) = 839548815
Least Common Multiple (LCM) of 64785 and 64795 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 64785 and 64795. First we will calculate the prime factors of 64785 and 64795.
Prime Factorization of 64785
Prime factors of 64785 are 3, 5, 7, 617. Prime factorization of 64785 in exponential form is:
64785 = 31 × 51 × 71 × 6171
Prime Factorization of 64795
Prime factors of 64795 are 5, 12959. Prime factorization of 64795 in exponential form is:
64795 = 51 × 129591
Now multiplying the highest exponent prime factors to calculate the LCM of 64785 and 64795.
LCM(64785,64795) = 31 × 51 × 71 × 6171 × 129591
LCM(64785,64795) = 839548815
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