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What is the Least Common Multiple of 31125 and 31138?

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 31125 and 31138 is 969170250.

LCM(31125,31138) = 969170250

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Least Common Multiple of 31125 and 31138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31125 and 31138, than apply into the LCM equation.

GCF(31125,31138) = 1
LCM(31125,31138) = ( 31125 × 31138) / 1
LCM(31125,31138) = 969170250 / 1
LCM(31125,31138) = 969170250

Least Common Multiple (LCM) of 31125 and 31138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31125 and 31138. First we will calculate the prime factors of 31125 and 31138.

Prime Factorization of 31125

Prime factors of 31125 are 3, 5, 83. Prime factorization of 31125 in exponential form is:

31125 = 31 × 53 × 831

Prime Factorization of 31138

Prime factors of 31138 are 2, 15569. Prime factorization of 31138 in exponential form is:

31138 = 21 × 155691

Now multiplying the highest exponent prime factors to calculate the LCM of 31125 and 31138.

LCM(31125,31138) = 31 × 53 × 831 × 21 × 155691
LCM(31125,31138) = 969170250