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What is the Least Common Multiple of 53426 and 53440?

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 53426 and 53440 is 1427542720.

LCM(53426,53440) = 1427542720

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Least Common Multiple of 53426 and 53440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53426 and 53440, than apply into the LCM equation.

GCF(53426,53440) = 2
LCM(53426,53440) = ( 53426 × 53440) / 2
LCM(53426,53440) = 2855085440 / 2
LCM(53426,53440) = 1427542720

Least Common Multiple (LCM) of 53426 and 53440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53426 and 53440. First we will calculate the prime factors of 53426 and 53440.

Prime Factorization of 53426

Prime factors of 53426 are 2, 26713. Prime factorization of 53426 in exponential form is:

53426 = 21 × 267131

Prime Factorization of 53440

Prime factors of 53440 are 2, 5, 167. Prime factorization of 53440 in exponential form is:

53440 = 26 × 51 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 53426 and 53440.

LCM(53426,53440) = 26 × 267131 × 51 × 1671
LCM(53426,53440) = 1427542720