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What is the Least Common Multiple of 53428 and 53442?

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 53428 and 53442 is 1427649588.

LCM(53428,53442) = 1427649588

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Least Common Multiple of 53428 and 53442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53428 and 53442, than apply into the LCM equation.

GCF(53428,53442) = 2
LCM(53428,53442) = ( 53428 × 53442) / 2
LCM(53428,53442) = 2855299176 / 2
LCM(53428,53442) = 1427649588

Least Common Multiple (LCM) of 53428 and 53442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53428 and 53442. First we will calculate the prime factors of 53428 and 53442.

Prime Factorization of 53428

Prime factors of 53428 are 2, 19, 37. Prime factorization of 53428 in exponential form is:

53428 = 22 × 192 × 371

Prime Factorization of 53442

Prime factors of 53442 are 2, 3, 2969. Prime factorization of 53442 in exponential form is:

53442 = 21 × 32 × 29691

Now multiplying the highest exponent prime factors to calculate the LCM of 53428 and 53442.

LCM(53428,53442) = 22 × 192 × 371 × 32 × 29691
LCM(53428,53442) = 1427649588