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What is the Least Common Multiple of 67979 and 67998?

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 67979 and 67998 is 4622436042.

LCM(67979,67998) = 4622436042

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Least Common Multiple of 67979 and 67998 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67979 and 67998, than apply into the LCM equation.

GCF(67979,67998) = 1
LCM(67979,67998) = ( 67979 × 67998) / 1
LCM(67979,67998) = 4622436042 / 1
LCM(67979,67998) = 4622436042

Least Common Multiple (LCM) of 67979 and 67998 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67979 and 67998. First we will calculate the prime factors of 67979 and 67998.

Prime Factorization of 67979

Prime factors of 67979 are 67979. Prime factorization of 67979 in exponential form is:

67979 = 679791

Prime Factorization of 67998

Prime factors of 67998 are 2, 3, 7, 1619. Prime factorization of 67998 in exponential form is:

67998 = 21 × 31 × 71 × 16191

Now multiplying the highest exponent prime factors to calculate the LCM of 67979 and 67998.

LCM(67979,67998) = 679791 × 21 × 31 × 71 × 16191
LCM(67979,67998) = 4622436042