What is the Least Common Multiple of 66646 and 66658?
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 66646 and 66658 is 2221244534.
LCM(66646,66658) = 2221244534
Least Common Multiple of 66646 and 66658 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66646 and 66658, than apply into the LCM equation.
GCF(66646,66658) = 2
LCM(66646,66658) = ( 66646 × 66658) / 2
LCM(66646,66658) = 4442489068 / 2
LCM(66646,66658) = 2221244534
Least Common Multiple (LCM) of 66646 and 66658 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66646 and 66658. First we will calculate the prime factors of 66646 and 66658.
Prime Factorization of 66646
Prime factors of 66646 are 2, 47, 709. Prime factorization of 66646 in exponential form is:
66646 = 21 × 471 × 7091
Prime Factorization of 66658
Prime factors of 66658 are 2, 33329. Prime factorization of 66658 in exponential form is:
66658 = 21 × 333291
Now multiplying the highest exponent prime factors to calculate the LCM of 66646 and 66658.
LCM(66646,66658) = 21 × 471 × 7091 × 333291
LCM(66646,66658) = 2221244534
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