What is the Least Common Multiple of 68413 and 68428?
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 68413 and 68428 is 4681364764.
LCM(68413,68428) = 4681364764
Least Common Multiple of 68413 and 68428 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68413 and 68428, than apply into the LCM equation.
GCF(68413,68428) = 1
LCM(68413,68428) = ( 68413 × 68428) / 1
LCM(68413,68428) = 4681364764 / 1
LCM(68413,68428) = 4681364764
Least Common Multiple (LCM) of 68413 and 68428 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 68413 and 68428. First we will calculate the prime factors of 68413 and 68428.
Prime Factorization of 68413
Prime factors of 68413 are 37, 43. Prime factorization of 68413 in exponential form is:
68413 = 371 × 432
Prime Factorization of 68428
Prime factors of 68428 are 2, 17107. Prime factorization of 68428 in exponential form is:
68428 = 22 × 171071
Now multiplying the highest exponent prime factors to calculate the LCM of 68413 and 68428.
LCM(68413,68428) = 371 × 432 × 22 × 171071
LCM(68413,68428) = 4681364764
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