What is the Least Common Multiple of 68648 and 68666?
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 68648 and 68666 is 2356891784.
LCM(68648,68666) = 2356891784
Least Common Multiple of 68648 and 68666 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68648 and 68666, than apply into the LCM equation.
GCF(68648,68666) = 2
LCM(68648,68666) = ( 68648 × 68666) / 2
LCM(68648,68666) = 4713783568 / 2
LCM(68648,68666) = 2356891784
Least Common Multiple (LCM) of 68648 and 68666 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 68648 and 68666. First we will calculate the prime factors of 68648 and 68666.
Prime Factorization of 68648
Prime factors of 68648 are 2, 8581. Prime factorization of 68648 in exponential form is:
68648 = 23 × 85811
Prime Factorization of 68666
Prime factors of 68666 are 2, 13, 19, 139. Prime factorization of 68666 in exponential form is:
68666 = 21 × 131 × 191 × 1391
Now multiplying the highest exponent prime factors to calculate the LCM of 68648 and 68666.
LCM(68648,68666) = 23 × 85811 × 131 × 191 × 1391
LCM(68648,68666) = 2356891784
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