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What is the Least Common Multiple of 79786 and 79797?

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 79786 and 79797 is 6366683442.

LCM(79786,79797) = 6366683442

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Least Common Multiple of 79786 and 79797 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79786 and 79797, than apply into the LCM equation.

GCF(79786,79797) = 1
LCM(79786,79797) = ( 79786 × 79797) / 1
LCM(79786,79797) = 6366683442 / 1
LCM(79786,79797) = 6366683442

Least Common Multiple (LCM) of 79786 and 79797 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79786 and 79797. First we will calculate the prime factors of 79786 and 79797.

Prime Factorization of 79786

Prime factors of 79786 are 2, 7, 41, 139. Prime factorization of 79786 in exponential form is:

79786 = 21 × 71 × 411 × 1391

Prime Factorization of 79797

Prime factors of 79797 are 3, 67, 397. Prime factorization of 79797 in exponential form is:

79797 = 31 × 671 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 79786 and 79797.

LCM(79786,79797) = 21 × 71 × 411 × 1391 × 31 × 671 × 3971
LCM(79786,79797) = 6366683442