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What is the Least Common Multiple of 78637 and 78645?

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 78637 and 78645 is 6184406865.

LCM(78637,78645) = 6184406865

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Least Common Multiple of 78637 and 78645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78637 and 78645, than apply into the LCM equation.

GCF(78637,78645) = 1
LCM(78637,78645) = ( 78637 × 78645) / 1
LCM(78637,78645) = 6184406865 / 1
LCM(78637,78645) = 6184406865

Least Common Multiple (LCM) of 78637 and 78645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78637 and 78645. First we will calculate the prime factors of 78637 and 78645.

Prime Factorization of 78637

Prime factors of 78637 are 13, 23, 263. Prime factorization of 78637 in exponential form is:

78637 = 131 × 231 × 2631

Prime Factorization of 78645

Prime factors of 78645 are 3, 5, 7, 107. Prime factorization of 78645 in exponential form is:

78645 = 31 × 51 × 72 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 78637 and 78645.

LCM(78637,78645) = 131 × 231 × 2631 × 31 × 51 × 72 × 1071
LCM(78637,78645) = 6184406865