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What is the Least Common Multiple of 83774 and 83778?

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 83774 and 83778 is 3509209086.

LCM(83774,83778) = 3509209086

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Least Common Multiple of 83774 and 83778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83774 and 83778, than apply into the LCM equation.

GCF(83774,83778) = 2
LCM(83774,83778) = ( 83774 × 83778) / 2
LCM(83774,83778) = 7018418172 / 2
LCM(83774,83778) = 3509209086

Least Common Multiple (LCM) of 83774 and 83778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83774 and 83778. First we will calculate the prime factors of 83774 and 83778.

Prime Factorization of 83774

Prime factors of 83774 are 2, 41887. Prime factorization of 83774 in exponential form is:

83774 = 21 × 418871

Prime Factorization of 83778

Prime factors of 83778 are 2, 3, 13963. Prime factorization of 83778 in exponential form is:

83778 = 21 × 31 × 139631

Now multiplying the highest exponent prime factors to calculate the LCM of 83774 and 83778.

LCM(83774,83778) = 21 × 418871 × 31 × 139631
LCM(83774,83778) = 3509209086