What is the Least Common Multiple of 66606 and 66620?
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 66606 and 66620 is 2218645860.
LCM(66606,66620) = 2218645860
Least Common Multiple of 66606 and 66620 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66606 and 66620, than apply into the LCM equation.
GCF(66606,66620) = 2
LCM(66606,66620) = ( 66606 × 66620) / 2
LCM(66606,66620) = 4437291720 / 2
LCM(66606,66620) = 2218645860
Least Common Multiple (LCM) of 66606 and 66620 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66606 and 66620. First we will calculate the prime factors of 66606 and 66620.
Prime Factorization of 66606
Prime factors of 66606 are 2, 3, 17, 653. Prime factorization of 66606 in exponential form is:
66606 = 21 × 31 × 171 × 6531
Prime Factorization of 66620
Prime factors of 66620 are 2, 5, 3331. Prime factorization of 66620 in exponential form is:
66620 = 22 × 51 × 33311
Now multiplying the highest exponent prime factors to calculate the LCM of 66606 and 66620.
LCM(66606,66620) = 22 × 31 × 171 × 6531 × 51 × 33311
LCM(66606,66620) = 2218645860
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