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What is the Least Common Multiple of 56728 and 56745?

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 56728 and 56745 is 3219030360.

LCM(56728,56745) = 3219030360

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Least Common Multiple of 56728 and 56745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56728 and 56745, than apply into the LCM equation.

GCF(56728,56745) = 1
LCM(56728,56745) = ( 56728 × 56745) / 1
LCM(56728,56745) = 3219030360 / 1
LCM(56728,56745) = 3219030360

Least Common Multiple (LCM) of 56728 and 56745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56728 and 56745. First we will calculate the prime factors of 56728 and 56745.

Prime Factorization of 56728

Prime factors of 56728 are 2, 7, 1013. Prime factorization of 56728 in exponential form is:

56728 = 23 × 71 × 10131

Prime Factorization of 56745

Prime factors of 56745 are 3, 5, 13, 97. Prime factorization of 56745 in exponential form is:

56745 = 32 × 51 × 131 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 56728 and 56745.

LCM(56728,56745) = 23 × 71 × 10131 × 32 × 51 × 131 × 971
LCM(56728,56745) = 3219030360