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What is the Least Common Multiple of 54642 and 54661?

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 54642 and 54661 is 2986786362.

LCM(54642,54661) = 2986786362

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Least Common Multiple of 54642 and 54661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54642 and 54661, than apply into the LCM equation.

GCF(54642,54661) = 1
LCM(54642,54661) = ( 54642 × 54661) / 1
LCM(54642,54661) = 2986786362 / 1
LCM(54642,54661) = 2986786362

Least Common Multiple (LCM) of 54642 and 54661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54642 and 54661. First we will calculate the prime factors of 54642 and 54661.

Prime Factorization of 54642

Prime factors of 54642 are 2, 3, 7, 1301. Prime factorization of 54642 in exponential form is:

54642 = 21 × 31 × 71 × 13011

Prime Factorization of 54661

Prime factors of 54661 are 47, 1163. Prime factorization of 54661 in exponential form is:

54661 = 471 × 11631

Now multiplying the highest exponent prime factors to calculate the LCM of 54642 and 54661.

LCM(54642,54661) = 21 × 31 × 71 × 13011 × 471 × 11631
LCM(54642,54661) = 2986786362