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What is the Least Common Multiple of 78298 and 78312?

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 78298 and 78312 is 3065836488.

LCM(78298,78312) = 3065836488

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Least Common Multiple of 78298 and 78312 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78298 and 78312, than apply into the LCM equation.

GCF(78298,78312) = 2
LCM(78298,78312) = ( 78298 × 78312) / 2
LCM(78298,78312) = 6131672976 / 2
LCM(78298,78312) = 3065836488

Least Common Multiple (LCM) of 78298 and 78312 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78298 and 78312. First we will calculate the prime factors of 78298 and 78312.

Prime Factorization of 78298

Prime factors of 78298 are 2, 11, 3559. Prime factorization of 78298 in exponential form is:

78298 = 21 × 111 × 35591

Prime Factorization of 78312

Prime factors of 78312 are 2, 3, 13, 251. Prime factorization of 78312 in exponential form is:

78312 = 23 × 31 × 131 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 78298 and 78312.

LCM(78298,78312) = 23 × 111 × 35591 × 31 × 131 × 2511
LCM(78298,78312) = 3065836488