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What is the Least Common Multiple of 77070 and 77078?

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 77078 is 2970200730.

LCM(77070,77078) = 2970200730

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Least Common Multiple of 77070 and 77078 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 77078, than apply into the LCM equation.

GCF(77070,77078) = 2
LCM(77070,77078) = ( 77070 × 77078) / 2
LCM(77070,77078) = 5940401460 / 2
LCM(77070,77078) = 2970200730

Least Common Multiple (LCM) of 77070 and 77078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77070 and 77078. First we will calculate the prime factors of 77070 and 77078.

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 77078

Prime factors of 77078 are 2, 17, 2267. Prime factorization of 77078 in exponential form is:

77078 = 21 × 171 × 22671

Now multiplying the highest exponent prime factors to calculate the LCM of 77070 and 77078.

LCM(77070,77078) = 21 × 31 × 51 × 71 × 3671 × 171 × 22671
LCM(77070,77078) = 2970200730