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What is the Least Common Multiple of 67986 and 67993?

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 67986 and 67993 is 4622572098.

LCM(67986,67993) = 4622572098

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Least Common Multiple of 67986 and 67993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67986 and 67993, than apply into the LCM equation.

GCF(67986,67993) = 1
LCM(67986,67993) = ( 67986 × 67993) / 1
LCM(67986,67993) = 4622572098 / 1
LCM(67986,67993) = 4622572098

Least Common Multiple (LCM) of 67986 and 67993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67986 and 67993. First we will calculate the prime factors of 67986 and 67993.

Prime Factorization of 67986

Prime factors of 67986 are 2, 3, 1259. Prime factorization of 67986 in exponential form is:

67986 = 21 × 33 × 12591

Prime Factorization of 67993

Prime factors of 67993 are 67993. Prime factorization of 67993 in exponential form is:

67993 = 679931

Now multiplying the highest exponent prime factors to calculate the LCM of 67986 and 67993.

LCM(67986,67993) = 21 × 33 × 12591 × 679931
LCM(67986,67993) = 4622572098