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What is the Least Common Multiple of 20185 and 20193?

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 20185 and 20193 is 407595705.

LCM(20185,20193) = 407595705

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Least Common Multiple of 20185 and 20193 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20185 and 20193, than apply into the LCM equation.

GCF(20185,20193) = 1
LCM(20185,20193) = ( 20185 × 20193) / 1
LCM(20185,20193) = 407595705 / 1
LCM(20185,20193) = 407595705

Least Common Multiple (LCM) of 20185 and 20193 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20185 and 20193. First we will calculate the prime factors of 20185 and 20193.

Prime Factorization of 20185

Prime factors of 20185 are 5, 11, 367. Prime factorization of 20185 in exponential form is:

20185 = 51 × 111 × 3671

Prime Factorization of 20193

Prime factors of 20193 are 3, 53, 127. Prime factorization of 20193 in exponential form is:

20193 = 31 × 531 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 20185 and 20193.

LCM(20185,20193) = 51 × 111 × 3671 × 31 × 531 × 1271
LCM(20185,20193) = 407595705