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What is the Least Common Multiple of 68678 and 68693?

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 68678 and 68693 is 4717697854.

LCM(68678,68693) = 4717697854

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Least Common Multiple of 68678 and 68693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68678 and 68693, than apply into the LCM equation.

GCF(68678,68693) = 1
LCM(68678,68693) = ( 68678 × 68693) / 1
LCM(68678,68693) = 4717697854 / 1
LCM(68678,68693) = 4717697854

Least Common Multiple (LCM) of 68678 and 68693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68678 and 68693. First we will calculate the prime factors of 68678 and 68693.

Prime Factorization of 68678

Prime factors of 68678 are 2, 23, 1493. Prime factorization of 68678 in exponential form is:

68678 = 21 × 231 × 14931

Prime Factorization of 68693

Prime factors of 68693 are 73, 941. Prime factorization of 68693 in exponential form is:

68693 = 731 × 9411

Now multiplying the highest exponent prime factors to calculate the LCM of 68678 and 68693.

LCM(68678,68693) = 21 × 231 × 14931 × 731 × 9411
LCM(68678,68693) = 4717697854