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What is the Least Common Multiple of 78936 and 78951?

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 78936 and 78951 is 2077358712.

LCM(78936,78951) = 2077358712

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Least Common Multiple of 78936 and 78951 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78936 and 78951, than apply into the LCM equation.

GCF(78936,78951) = 3
LCM(78936,78951) = ( 78936 × 78951) / 3
LCM(78936,78951) = 6232076136 / 3
LCM(78936,78951) = 2077358712

Least Common Multiple (LCM) of 78936 and 78951 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78936 and 78951. First we will calculate the prime factors of 78936 and 78951.

Prime Factorization of 78936

Prime factors of 78936 are 2, 3, 11, 13, 23. Prime factorization of 78936 in exponential form is:

78936 = 23 × 31 × 111 × 131 × 231

Prime Factorization of 78951

Prime factors of 78951 are 3, 26317. Prime factorization of 78951 in exponential form is:

78951 = 31 × 263171

Now multiplying the highest exponent prime factors to calculate the LCM of 78936 and 78951.

LCM(78936,78951) = 23 × 31 × 111 × 131 × 231 × 263171
LCM(78936,78951) = 2077358712