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What is the Least Common Multiple of 77981 and 77996?

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 77981 and 77996 is 6082206076.

LCM(77981,77996) = 6082206076

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Least Common Multiple of 77981 and 77996 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77981 and 77996, than apply into the LCM equation.

GCF(77981,77996) = 1
LCM(77981,77996) = ( 77981 × 77996) / 1
LCM(77981,77996) = 6082206076 / 1
LCM(77981,77996) = 6082206076

Least Common Multiple (LCM) of 77981 and 77996 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77981 and 77996. First we will calculate the prime factors of 77981 and 77996.

Prime Factorization of 77981

Prime factors of 77981 are 29, 2689. Prime factorization of 77981 in exponential form is:

77981 = 291 × 26891

Prime Factorization of 77996

Prime factors of 77996 are 2, 17, 31, 37. Prime factorization of 77996 in exponential form is:

77996 = 22 × 171 × 311 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 77981 and 77996.

LCM(77981,77996) = 291 × 26891 × 22 × 171 × 311 × 371
LCM(77981,77996) = 6082206076