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What is the Least Common Multiple of 67949 and 67958?

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 67949 and 67958 is 4617678142.

LCM(67949,67958) = 4617678142

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Least Common Multiple of 67949 and 67958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67949 and 67958, than apply into the LCM equation.

GCF(67949,67958) = 1
LCM(67949,67958) = ( 67949 × 67958) / 1
LCM(67949,67958) = 4617678142 / 1
LCM(67949,67958) = 4617678142

Least Common Multiple (LCM) of 67949 and 67958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67949 and 67958. First we will calculate the prime factors of 67949 and 67958.

Prime Factorization of 67949

Prime factors of 67949 are 7, 17, 571. Prime factorization of 67949 in exponential form is:

67949 = 71 × 171 × 5711

Prime Factorization of 67958

Prime factors of 67958 are 2, 11, 3089. Prime factorization of 67958 in exponential form is:

67958 = 21 × 111 × 30891

Now multiplying the highest exponent prime factors to calculate the LCM of 67949 and 67958.

LCM(67949,67958) = 71 × 171 × 5711 × 21 × 111 × 30891
LCM(67949,67958) = 4617678142