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What is the Least Common Multiple of 79774 and 79790?

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 79774 and 79790 is 3182583730.

LCM(79774,79790) = 3182583730

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Least Common Multiple of 79774 and 79790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79774 and 79790, than apply into the LCM equation.

GCF(79774,79790) = 2
LCM(79774,79790) = ( 79774 × 79790) / 2
LCM(79774,79790) = 6365167460 / 2
LCM(79774,79790) = 3182583730

Least Common Multiple (LCM) of 79774 and 79790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79774 and 79790. First we will calculate the prime factors of 79774 and 79790.

Prime Factorization of 79774

Prime factors of 79774 are 2, 39887. Prime factorization of 79774 in exponential form is:

79774 = 21 × 398871

Prime Factorization of 79790

Prime factors of 79790 are 2, 5, 79, 101. Prime factorization of 79790 in exponential form is:

79790 = 21 × 51 × 791 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 79774 and 79790.

LCM(79774,79790) = 21 × 398871 × 51 × 791 × 1011
LCM(79774,79790) = 3182583730