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What is the Least Common Multiple of 84778 and 84783?

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 84778 and 84783 is 7187733174.

LCM(84778,84783) = 7187733174

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Least Common Multiple of 84778 and 84783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84778 and 84783, than apply into the LCM equation.

GCF(84778,84783) = 1
LCM(84778,84783) = ( 84778 × 84783) / 1
LCM(84778,84783) = 7187733174 / 1
LCM(84778,84783) = 7187733174

Least Common Multiple (LCM) of 84778 and 84783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84778 and 84783. First we will calculate the prime factors of 84778 and 84783.

Prime Factorization of 84778

Prime factors of 84778 are 2, 19, 23, 97. Prime factorization of 84778 in exponential form is:

84778 = 21 × 191 × 231 × 971

Prime Factorization of 84783

Prime factors of 84783 are 3, 59, 479. Prime factorization of 84783 in exponential form is:

84783 = 31 × 591 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 84778 and 84783.

LCM(84778,84783) = 21 × 191 × 231 × 971 × 31 × 591 × 4791
LCM(84778,84783) = 7187733174