What is the Least Common Multiple of 68716 and 68729?
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 68716 and 68729 is 4722781964.
LCM(68716,68729) = 4722781964
Least Common Multiple of 68716 and 68729 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68716 and 68729, than apply into the LCM equation.
GCF(68716,68729) = 1
LCM(68716,68729) = ( 68716 × 68729) / 1
LCM(68716,68729) = 4722781964 / 1
LCM(68716,68729) = 4722781964
Least Common Multiple (LCM) of 68716 and 68729 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 68716 and 68729. First we will calculate the prime factors of 68716 and 68729.
Prime Factorization of 68716
Prime factors of 68716 are 2, 41, 419. Prime factorization of 68716 in exponential form is:
68716 = 22 × 411 × 4191
Prime Factorization of 68729
Prime factors of 68729 are 68729. Prime factorization of 68729 in exponential form is:
68729 = 687291
Now multiplying the highest exponent prime factors to calculate the LCM of 68716 and 68729.
LCM(68716,68729) = 22 × 411 × 4191 × 687291
LCM(68716,68729) = 4722781964
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