What is the Least Common Multiple of 67257 and 67270?
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 67257 and 67270 is 4524378390.
LCM(67257,67270) = 4524378390
Least Common Multiple of 67257 and 67270 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67257 and 67270, than apply into the LCM equation.
GCF(67257,67270) = 1
LCM(67257,67270) = ( 67257 × 67270) / 1
LCM(67257,67270) = 4524378390 / 1
LCM(67257,67270) = 4524378390
Least Common Multiple (LCM) of 67257 and 67270 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 67257 and 67270. First we will calculate the prime factors of 67257 and 67270.
Prime Factorization of 67257
Prime factors of 67257 are 3, 47, 53. Prime factorization of 67257 in exponential form is:
67257 = 33 × 471 × 531
Prime Factorization of 67270
Prime factors of 67270 are 2, 5, 7, 31. Prime factorization of 67270 in exponential form is:
67270 = 21 × 51 × 71 × 312
Now multiplying the highest exponent prime factors to calculate the LCM of 67257 and 67270.
LCM(67257,67270) = 33 × 471 × 531 × 21 × 51 × 71 × 312
LCM(67257,67270) = 4524378390
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