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What is the Least Common Multiple of 67996 and 68002?

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 67996 and 68002 is 2311931996.

LCM(67996,68002) = 2311931996

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Least Common Multiple of 67996 and 68002 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67996 and 68002, than apply into the LCM equation.

GCF(67996,68002) = 2
LCM(67996,68002) = ( 67996 × 68002) / 2
LCM(67996,68002) = 4623863992 / 2
LCM(67996,68002) = 2311931996

Least Common Multiple (LCM) of 67996 and 68002 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67996 and 68002. First we will calculate the prime factors of 67996 and 68002.

Prime Factorization of 67996

Prime factors of 67996 are 2, 89, 191. Prime factorization of 67996 in exponential form is:

67996 = 22 × 891 × 1911

Prime Factorization of 68002

Prime factors of 68002 are 2, 11, 281. Prime factorization of 68002 in exponential form is:

68002 = 21 × 112 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 67996 and 68002.

LCM(67996,68002) = 22 × 891 × 1911 × 112 × 2811
LCM(67996,68002) = 2311931996