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What is the Least Common Multiple of 54560 and 54565?

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 54560 and 54565 is 595413280.

LCM(54560,54565) = 595413280

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Least Common Multiple of 54560 and 54565 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54560 and 54565, than apply into the LCM equation.

GCF(54560,54565) = 5
LCM(54560,54565) = ( 54560 × 54565) / 5
LCM(54560,54565) = 2977066400 / 5
LCM(54560,54565) = 595413280

Least Common Multiple (LCM) of 54560 and 54565 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54560 and 54565. First we will calculate the prime factors of 54560 and 54565.

Prime Factorization of 54560

Prime factors of 54560 are 2, 5, 11, 31. Prime factorization of 54560 in exponential form is:

54560 = 25 × 51 × 111 × 311

Prime Factorization of 54565

Prime factors of 54565 are 5, 7, 1559. Prime factorization of 54565 in exponential form is:

54565 = 51 × 71 × 15591

Now multiplying the highest exponent prime factors to calculate the LCM of 54560 and 54565.

LCM(54560,54565) = 25 × 51 × 111 × 311 × 71 × 15591
LCM(54560,54565) = 595413280