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What is the Least Common Multiple of 91954 and 91962?

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 91954 and 91962 is 4228136874.

LCM(91954,91962) = 4228136874

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Least Common Multiple of 91954 and 91962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91954 and 91962, than apply into the LCM equation.

GCF(91954,91962) = 2
LCM(91954,91962) = ( 91954 × 91962) / 2
LCM(91954,91962) = 8456273748 / 2
LCM(91954,91962) = 4228136874

Least Common Multiple (LCM) of 91954 and 91962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91954 and 91962. First we will calculate the prime factors of 91954 and 91962.

Prime Factorization of 91954

Prime factors of 91954 are 2, 23, 1999. Prime factorization of 91954 in exponential form is:

91954 = 21 × 231 × 19991

Prime Factorization of 91962

Prime factors of 91962 are 2, 3, 13, 131. Prime factorization of 91962 in exponential form is:

91962 = 21 × 33 × 131 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 91954 and 91962.

LCM(91954,91962) = 21 × 231 × 19991 × 33 × 131 × 1311
LCM(91954,91962) = 4228136874