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What is the Least Common Multiple of 74781 and 74786?

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 74781 and 74786 is 5592571866.

LCM(74781,74786) = 5592571866

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Least Common Multiple of 74781 and 74786 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74781 and 74786, than apply into the LCM equation.

GCF(74781,74786) = 1
LCM(74781,74786) = ( 74781 × 74786) / 1
LCM(74781,74786) = 5592571866 / 1
LCM(74781,74786) = 5592571866

Least Common Multiple (LCM) of 74781 and 74786 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74781 and 74786. First we will calculate the prime factors of 74781 and 74786.

Prime Factorization of 74781

Prime factors of 74781 are 3, 7, 1187. Prime factorization of 74781 in exponential form is:

74781 = 32 × 71 × 11871

Prime Factorization of 74786

Prime factors of 74786 are 2, 61, 613. Prime factorization of 74786 in exponential form is:

74786 = 21 × 611 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 74781 and 74786.

LCM(74781,74786) = 32 × 71 × 11871 × 21 × 611 × 6131
LCM(74781,74786) = 5592571866