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What is the Least Common Multiple of 68625 and 68642?

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 68625 and 68642 is 4710557250.

LCM(68625,68642) = 4710557250

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Least Common Multiple of 68625 and 68642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68625 and 68642, than apply into the LCM equation.

GCF(68625,68642) = 1
LCM(68625,68642) = ( 68625 × 68642) / 1
LCM(68625,68642) = 4710557250 / 1
LCM(68625,68642) = 4710557250

Least Common Multiple (LCM) of 68625 and 68642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68625 and 68642. First we will calculate the prime factors of 68625 and 68642.

Prime Factorization of 68625

Prime factors of 68625 are 3, 5, 61. Prime factorization of 68625 in exponential form is:

68625 = 32 × 53 × 611

Prime Factorization of 68642

Prime factors of 68642 are 2, 7, 4903. Prime factorization of 68642 in exponential form is:

68642 = 21 × 71 × 49031

Now multiplying the highest exponent prime factors to calculate the LCM of 68625 and 68642.

LCM(68625,68642) = 32 × 53 × 611 × 21 × 71 × 49031
LCM(68625,68642) = 4710557250