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What is the Least Common Multiple of 45428 and 45445?

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 45428 and 45445 is 2064475460.

LCM(45428,45445) = 2064475460

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Least Common Multiple of 45428 and 45445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45428 and 45445, than apply into the LCM equation.

GCF(45428,45445) = 1
LCM(45428,45445) = ( 45428 × 45445) / 1
LCM(45428,45445) = 2064475460 / 1
LCM(45428,45445) = 2064475460

Least Common Multiple (LCM) of 45428 and 45445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45428 and 45445. First we will calculate the prime factors of 45428 and 45445.

Prime Factorization of 45428

Prime factors of 45428 are 2, 41, 277. Prime factorization of 45428 in exponential form is:

45428 = 22 × 411 × 2771

Prime Factorization of 45445

Prime factors of 45445 are 5, 61, 149. Prime factorization of 45445 in exponential form is:

45445 = 51 × 611 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 45428 and 45445.

LCM(45428,45445) = 22 × 411 × 2771 × 51 × 611 × 1491
LCM(45428,45445) = 2064475460