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What is the Least Common Multiple of 45840 and 45847?

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 45840 and 45847 is 2101626480.

LCM(45840,45847) = 2101626480

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Least Common Multiple of 45840 and 45847 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45840 and 45847, than apply into the LCM equation.

GCF(45840,45847) = 1
LCM(45840,45847) = ( 45840 × 45847) / 1
LCM(45840,45847) = 2101626480 / 1
LCM(45840,45847) = 2101626480

Least Common Multiple (LCM) of 45840 and 45847 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45840 and 45847. First we will calculate the prime factors of 45840 and 45847.

Prime Factorization of 45840

Prime factors of 45840 are 2, 3, 5, 191. Prime factorization of 45840 in exponential form is:

45840 = 24 × 31 × 51 × 1911

Prime Factorization of 45847

Prime factors of 45847 are 19, 127. Prime factorization of 45847 in exponential form is:

45847 = 192 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 45840 and 45847.

LCM(45840,45847) = 24 × 31 × 51 × 1911 × 192 × 1271
LCM(45840,45847) = 2101626480