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What is the Least Common Multiple of 77690 and 77709?

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 77690 and 77709 is 6037212210.

LCM(77690,77709) = 6037212210

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Least Common Multiple of 77690 and 77709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77690 and 77709, than apply into the LCM equation.

GCF(77690,77709) = 1
LCM(77690,77709) = ( 77690 × 77709) / 1
LCM(77690,77709) = 6037212210 / 1
LCM(77690,77709) = 6037212210

Least Common Multiple (LCM) of 77690 and 77709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77690 and 77709. First we will calculate the prime factors of 77690 and 77709.

Prime Factorization of 77690

Prime factors of 77690 are 2, 5, 17, 457. Prime factorization of 77690 in exponential form is:

77690 = 21 × 51 × 171 × 4571

Prime Factorization of 77709

Prime factors of 77709 are 3, 25903. Prime factorization of 77709 in exponential form is:

77709 = 31 × 259031

Now multiplying the highest exponent prime factors to calculate the LCM of 77690 and 77709.

LCM(77690,77709) = 21 × 51 × 171 × 4571 × 31 × 259031
LCM(77690,77709) = 6037212210