What is the Least Common Multiple of 54670 and 54680?
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 54670 and 54680 is 298935560.
LCM(54670,54680) = 298935560
Least Common Multiple of 54670 and 54680 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54670 and 54680, than apply into the LCM equation.
GCF(54670,54680) = 10
LCM(54670,54680) = ( 54670 × 54680) / 10
LCM(54670,54680) = 2989355600 / 10
LCM(54670,54680) = 298935560
Least Common Multiple (LCM) of 54670 and 54680 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 54670 and 54680. First we will calculate the prime factors of 54670 and 54680.
Prime Factorization of 54670
Prime factors of 54670 are 2, 5, 7, 11, 71. Prime factorization of 54670 in exponential form is:
54670 = 21 × 51 × 71 × 111 × 711
Prime Factorization of 54680
Prime factors of 54680 are 2, 5, 1367. Prime factorization of 54680 in exponential form is:
54680 = 23 × 51 × 13671
Now multiplying the highest exponent prime factors to calculate the LCM of 54670 and 54680.
LCM(54670,54680) = 23 × 51 × 71 × 111 × 711 × 13671
LCM(54670,54680) = 298935560
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