What is the Least Common Multiple of 68638 and 68657?
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 68638 and 68657 is 4712479166.
LCM(68638,68657) = 4712479166
Least Common Multiple of 68638 and 68657 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68638 and 68657, than apply into the LCM equation.
GCF(68638,68657) = 1
LCM(68638,68657) = ( 68638 × 68657) / 1
LCM(68638,68657) = 4712479166 / 1
LCM(68638,68657) = 4712479166
Least Common Multiple (LCM) of 68638 and 68657 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 68638 and 68657. First we will calculate the prime factors of 68638 and 68657.
Prime Factorization of 68638
Prime factors of 68638 are 2, 34319. Prime factorization of 68638 in exponential form is:
68638 = 21 × 343191
Prime Factorization of 68657
Prime factors of 68657 are 71, 967. Prime factorization of 68657 in exponential form is:
68657 = 711 × 9671
Now multiplying the highest exponent prime factors to calculate the LCM of 68638 and 68657.
LCM(68638,68657) = 21 × 343191 × 711 × 9671
LCM(68638,68657) = 4712479166
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