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What is the Least Common Multiple of 57702 and 57721?

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 57702 and 57721 is 3330617142.

LCM(57702,57721) = 3330617142

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Least Common Multiple of 57702 and 57721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57702 and 57721, than apply into the LCM equation.

GCF(57702,57721) = 1
LCM(57702,57721) = ( 57702 × 57721) / 1
LCM(57702,57721) = 3330617142 / 1
LCM(57702,57721) = 3330617142

Least Common Multiple (LCM) of 57702 and 57721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57702 and 57721. First we will calculate the prime factors of 57702 and 57721.

Prime Factorization of 57702

Prime factors of 57702 are 2, 3, 59, 163. Prime factorization of 57702 in exponential form is:

57702 = 21 × 31 × 591 × 1631

Prime Factorization of 57721

Prime factors of 57721 are 197, 293. Prime factorization of 57721 in exponential form is:

57721 = 1971 × 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 57702 and 57721.

LCM(57702,57721) = 21 × 31 × 591 × 1631 × 1971 × 2931
LCM(57702,57721) = 3330617142