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What is the Least Common Multiple of 81951 and 81955?

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 81951 and 81955 is 6716294205.

LCM(81951,81955) = 6716294205

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Least Common Multiple of 81951 and 81955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81951 and 81955, than apply into the LCM equation.

GCF(81951,81955) = 1
LCM(81951,81955) = ( 81951 × 81955) / 1
LCM(81951,81955) = 6716294205 / 1
LCM(81951,81955) = 6716294205

Least Common Multiple (LCM) of 81951 and 81955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81951 and 81955. First we will calculate the prime factors of 81951 and 81955.

Prime Factorization of 81951

Prime factors of 81951 are 3, 59, 463. Prime factorization of 81951 in exponential form is:

81951 = 31 × 591 × 4631

Prime Factorization of 81955

Prime factors of 81955 are 5, 37, 443. Prime factorization of 81955 in exponential form is:

81955 = 51 × 371 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 81951 and 81955.

LCM(81951,81955) = 31 × 591 × 4631 × 51 × 371 × 4431
LCM(81951,81955) = 6716294205