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What is the Least Common Multiple of 79100 and 79118?

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 79100 and 79118 is 3129116900.

LCM(79100,79118) = 3129116900

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Least Common Multiple of 79100 and 79118 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79100 and 79118, than apply into the LCM equation.

GCF(79100,79118) = 2
LCM(79100,79118) = ( 79100 × 79118) / 2
LCM(79100,79118) = 6258233800 / 2
LCM(79100,79118) = 3129116900

Least Common Multiple (LCM) of 79100 and 79118 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79100 and 79118. First we will calculate the prime factors of 79100 and 79118.

Prime Factorization of 79100

Prime factors of 79100 are 2, 5, 7, 113. Prime factorization of 79100 in exponential form is:

79100 = 22 × 52 × 71 × 1131

Prime Factorization of 79118

Prime factors of 79118 are 2, 13, 17, 179. Prime factorization of 79118 in exponential form is:

79118 = 21 × 131 × 171 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 79100 and 79118.

LCM(79100,79118) = 22 × 52 × 71 × 1131 × 131 × 171 × 1791
LCM(79100,79118) = 3129116900