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What is the Least Common Multiple of 77031 and 77043?

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 77031 and 77043 is 1978233111.

LCM(77031,77043) = 1978233111

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Least Common Multiple of 77031 and 77043 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77031 and 77043, than apply into the LCM equation.

GCF(77031,77043) = 3
LCM(77031,77043) = ( 77031 × 77043) / 3
LCM(77031,77043) = 5934699333 / 3
LCM(77031,77043) = 1978233111

Least Common Multiple (LCM) of 77031 and 77043 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77031 and 77043. First we will calculate the prime factors of 77031 and 77043.

Prime Factorization of 77031

Prime factors of 77031 are 3, 317. Prime factorization of 77031 in exponential form is:

77031 = 35 × 3171

Prime Factorization of 77043

Prime factors of 77043 are 3, 61, 421. Prime factorization of 77043 in exponential form is:

77043 = 31 × 611 × 4211

Now multiplying the highest exponent prime factors to calculate the LCM of 77031 and 77043.

LCM(77031,77043) = 35 × 3171 × 611 × 4211
LCM(77031,77043) = 1978233111