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What is the Least Common Multiple of 77070 and 77079?

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 77070 and 77079 is 1980159510.

LCM(77070,77079) = 1980159510

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Least Common Multiple of 77070 and 77079 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77070 and 77079, than apply into the LCM equation.

GCF(77070,77079) = 3
LCM(77070,77079) = ( 77070 × 77079) / 3
LCM(77070,77079) = 5940478530 / 3
LCM(77070,77079) = 1980159510

Least Common Multiple (LCM) of 77070 and 77079 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77070 and 77079. First we will calculate the prime factors of 77070 and 77079.

Prime Factorization of 77070

Prime factors of 77070 are 2, 3, 5, 7, 367. Prime factorization of 77070 in exponential form is:

77070 = 21 × 31 × 51 × 71 × 3671

Prime Factorization of 77079

Prime factors of 77079 are 3, 25693. Prime factorization of 77079 in exponential form is:

77079 = 31 × 256931

Now multiplying the highest exponent prime factors to calculate the LCM of 77070 and 77079.

LCM(77070,77079) = 21 × 31 × 51 × 71 × 3671 × 256931
LCM(77070,77079) = 1980159510