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What is the Least Common Multiple of 49402 and 49420?

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 49402 and 49420 is 1220723420.

LCM(49402,49420) = 1220723420

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Least Common Multiple of 49402 and 49420 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49402 and 49420, than apply into the LCM equation.

GCF(49402,49420) = 2
LCM(49402,49420) = ( 49402 × 49420) / 2
LCM(49402,49420) = 2441446840 / 2
LCM(49402,49420) = 1220723420

Least Common Multiple (LCM) of 49402 and 49420 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49402 and 49420. First we will calculate the prime factors of 49402 and 49420.

Prime Factorization of 49402

Prime factors of 49402 are 2, 17, 1453. Prime factorization of 49402 in exponential form is:

49402 = 21 × 171 × 14531

Prime Factorization of 49420

Prime factors of 49420 are 2, 5, 7, 353. Prime factorization of 49420 in exponential form is:

49420 = 22 × 51 × 71 × 3531

Now multiplying the highest exponent prime factors to calculate the LCM of 49402 and 49420.

LCM(49402,49420) = 22 × 171 × 14531 × 51 × 71 × 3531
LCM(49402,49420) = 1220723420