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What is the Least Common Multiple of 40546 and 40565?

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 40546 and 40565 is 86565710.

LCM(40546,40565) = 86565710

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Least Common Multiple of 40546 and 40565 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40546 and 40565, than apply into the LCM equation.

GCF(40546,40565) = 19
LCM(40546,40565) = ( 40546 × 40565) / 19
LCM(40546,40565) = 1644748490 / 19
LCM(40546,40565) = 86565710

Least Common Multiple (LCM) of 40546 and 40565 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40546 and 40565. First we will calculate the prime factors of 40546 and 40565.

Prime Factorization of 40546

Prime factors of 40546 are 2, 11, 19, 97. Prime factorization of 40546 in exponential form is:

40546 = 21 × 111 × 191 × 971

Prime Factorization of 40565

Prime factors of 40565 are 5, 7, 19, 61. Prime factorization of 40565 in exponential form is:

40565 = 51 × 71 × 191 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 40546 and 40565.

LCM(40546,40565) = 21 × 111 × 191 × 971 × 51 × 71 × 611
LCM(40546,40565) = 86565710