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What is the Least Common Multiple of 56240 and 56246?

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 56240 and 56246 is 1581637520.

LCM(56240,56246) = 1581637520

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Least Common Multiple of 56240 and 56246 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56240 and 56246, than apply into the LCM equation.

GCF(56240,56246) = 2
LCM(56240,56246) = ( 56240 × 56246) / 2
LCM(56240,56246) = 3163275040 / 2
LCM(56240,56246) = 1581637520

Least Common Multiple (LCM) of 56240 and 56246 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56240 and 56246. First we will calculate the prime factors of 56240 and 56246.

Prime Factorization of 56240

Prime factors of 56240 are 2, 5, 19, 37. Prime factorization of 56240 in exponential form is:

56240 = 24 × 51 × 191 × 371

Prime Factorization of 56246

Prime factors of 56246 are 2, 28123. Prime factorization of 56246 in exponential form is:

56246 = 21 × 281231

Now multiplying the highest exponent prime factors to calculate the LCM of 56240 and 56246.

LCM(56240,56246) = 24 × 51 × 191 × 371 × 281231
LCM(56240,56246) = 1581637520