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What is the Least Common Multiple of 77070 and 77077?

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 77077 is 848617770.

LCM(77070,77077) = 848617770

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Least Common Multiple of 77070 and 77077 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 77077, than apply into the LCM equation.

GCF(77070,77077) = 7
LCM(77070,77077) = ( 77070 × 77077) / 7
LCM(77070,77077) = 5940324390 / 7
LCM(77070,77077) = 848617770

Least Common Multiple (LCM) of 77070 and 77077 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77070 and 77077. First we will calculate the prime factors of 77070 and 77077.

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 77077

Prime factors of 77077 are 7, 11, 13. Prime factorization of 77077 in exponential form is:

77077 = 72 × 112 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 77070 and 77077.

LCM(77070,77077) = 21 × 31 × 51 × 72 × 3671 × 112 × 131
LCM(77070,77077) = 848617770