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What is the Least Common Multiple of 78199 and 78218?

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 78199 and 78218 is 6116569382.

LCM(78199,78218) = 6116569382

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Least Common Multiple of 78199 and 78218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78199 and 78218, than apply into the LCM equation.

GCF(78199,78218) = 1
LCM(78199,78218) = ( 78199 × 78218) / 1
LCM(78199,78218) = 6116569382 / 1
LCM(78199,78218) = 6116569382

Least Common Multiple (LCM) of 78199 and 78218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78199 and 78218. First we will calculate the prime factors of 78199 and 78218.

Prime Factorization of 78199

Prime factors of 78199 are 11, 7109. Prime factorization of 78199 in exponential form is:

78199 = 111 × 71091

Prime Factorization of 78218

Prime factors of 78218 are 2, 7, 37, 151. Prime factorization of 78218 in exponential form is:

78218 = 21 × 71 × 371 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 78199 and 78218.

LCM(78199,78218) = 111 × 71091 × 21 × 71 × 371 × 1511
LCM(78199,78218) = 6116569382