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What is the Least Common Multiple of 67965 and 67969?

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 67965 and 67969 is 4619513085.

LCM(67965,67969) = 4619513085

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Least Common Multiple of 67965 and 67969 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67965 and 67969, than apply into the LCM equation.

GCF(67965,67969) = 1
LCM(67965,67969) = ( 67965 × 67969) / 1
LCM(67965,67969) = 4619513085 / 1
LCM(67965,67969) = 4619513085

Least Common Multiple (LCM) of 67965 and 67969 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67965 and 67969. First we will calculate the prime factors of 67965 and 67969.

Prime Factorization of 67965

Prime factors of 67965 are 3, 5, 23, 197. Prime factorization of 67965 in exponential form is:

67965 = 31 × 51 × 231 × 1971

Prime Factorization of 67969

Prime factors of 67969 are 11, 37, 167. Prime factorization of 67969 in exponential form is:

67969 = 111 × 371 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 67965 and 67969.

LCM(67965,67969) = 31 × 51 × 231 × 1971 × 111 × 371 × 1671
LCM(67965,67969) = 4619513085