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What is the Least Common Multiple of 40546 and 40560?

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 40560 is 822272880.

LCM(40546,40560) = 822272880

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Least Common Multiple of 40546 and 40560 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 40560, than apply into the LCM equation.

GCF(40546,40560) = 2
LCM(40546,40560) = ( 40546 × 40560) / 2
LCM(40546,40560) = 1644545760 / 2
LCM(40546,40560) = 822272880

Least Common Multiple (LCM) of 40546 and 40560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40546 and 40560. First we will calculate the prime factors of 40546 and 40560.

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 40560

Prime factors of 40560 are 2, 3, 5, 13. Prime factorization of 40560 in exponential form is:

40560 = 24 × 31 × 51 × 132

Now multiplying the highest exponent prime factors to calculate the LCM of 40546 and 40560.

LCM(40546,40560) = 24 × 111 × 191 × 971 × 31 × 51 × 132
LCM(40546,40560) = 822272880