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What is the Least Common Multiple of 71380 and 71395?

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 71380 and 71395 is 1019235020.

LCM(71380,71395) = 1019235020

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Least Common Multiple of 71380 and 71395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71380 and 71395, than apply into the LCM equation.

GCF(71380,71395) = 5
LCM(71380,71395) = ( 71380 × 71395) / 5
LCM(71380,71395) = 5096175100 / 5
LCM(71380,71395) = 1019235020

Least Common Multiple (LCM) of 71380 and 71395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71380 and 71395. First we will calculate the prime factors of 71380 and 71395.

Prime Factorization of 71380

Prime factors of 71380 are 2, 5, 43, 83. Prime factorization of 71380 in exponential form is:

71380 = 22 × 51 × 431 × 831

Prime Factorization of 71395

Prime factors of 71395 are 5, 109, 131. Prime factorization of 71395 in exponential form is:

71395 = 51 × 1091 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 71380 and 71395.

LCM(71380,71395) = 22 × 51 × 431 × 831 × 1091 × 1311
LCM(71380,71395) = 1019235020