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What is the Least Common Multiple of 77720 and 77739?

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 77720 and 77739 is 6041875080.

LCM(77720,77739) = 6041875080

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Least Common Multiple of 77720 and 77739 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77720 and 77739, than apply into the LCM equation.

GCF(77720,77739) = 1
LCM(77720,77739) = ( 77720 × 77739) / 1
LCM(77720,77739) = 6041875080 / 1
LCM(77720,77739) = 6041875080

Least Common Multiple (LCM) of 77720 and 77739 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77720 and 77739. First we will calculate the prime factors of 77720 and 77739.

Prime Factorization of 77720

Prime factors of 77720 are 2, 5, 29, 67. Prime factorization of 77720 in exponential form is:

77720 = 23 × 51 × 291 × 671

Prime Factorization of 77739

Prime factors of 77739 are 3, 25913. Prime factorization of 77739 in exponential form is:

77739 = 31 × 259131

Now multiplying the highest exponent prime factors to calculate the LCM of 77720 and 77739.

LCM(77720,77739) = 23 × 51 × 291 × 671 × 31 × 259131
LCM(77720,77739) = 6041875080