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What is the Least Common Multiple of 30140 and 30157?

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 30140 and 30157 is 908931980.

LCM(30140,30157) = 908931980

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Least Common Multiple of 30140 and 30157 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30140 and 30157, than apply into the LCM equation.

GCF(30140,30157) = 1
LCM(30140,30157) = ( 30140 × 30157) / 1
LCM(30140,30157) = 908931980 / 1
LCM(30140,30157) = 908931980

Least Common Multiple (LCM) of 30140 and 30157 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30140 and 30157. First we will calculate the prime factors of 30140 and 30157.

Prime Factorization of 30140

Prime factors of 30140 are 2, 5, 11, 137. Prime factorization of 30140 in exponential form is:

30140 = 22 × 51 × 111 × 1371

Prime Factorization of 30157

Prime factors of 30157 are 53, 569. Prime factorization of 30157 in exponential form is:

30157 = 531 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 30140 and 30157.

LCM(30140,30157) = 22 × 51 × 111 × 1371 × 531 × 5691
LCM(30140,30157) = 908931980