What is the Least Common Multiple of 66661 and 66680?
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 66661 and 66680 is 4444955480.
LCM(66661,66680) = 4444955480
Least Common Multiple of 66661 and 66680 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66661 and 66680, than apply into the LCM equation.
GCF(66661,66680) = 1
LCM(66661,66680) = ( 66661 × 66680) / 1
LCM(66661,66680) = 4444955480 / 1
LCM(66661,66680) = 4444955480
Least Common Multiple (LCM) of 66661 and 66680 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66661 and 66680. First we will calculate the prime factors of 66661 and 66680.
Prime Factorization of 66661
Prime factors of 66661 are 7, 89, 107. Prime factorization of 66661 in exponential form is:
66661 = 71 × 891 × 1071
Prime Factorization of 66680
Prime factors of 66680 are 2, 5, 1667. Prime factorization of 66680 in exponential form is:
66680 = 23 × 51 × 16671
Now multiplying the highest exponent prime factors to calculate the LCM of 66661 and 66680.
LCM(66661,66680) = 71 × 891 × 1071 × 23 × 51 × 16671
LCM(66661,66680) = 4444955480
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