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What is the Least Common Multiple of 73455 and 73465?

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 73455 and 73465 is 1079274315.

LCM(73455,73465) = 1079274315

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Least Common Multiple of 73455 and 73465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73455 and 73465, than apply into the LCM equation.

GCF(73455,73465) = 5
LCM(73455,73465) = ( 73455 × 73465) / 5
LCM(73455,73465) = 5396371575 / 5
LCM(73455,73465) = 1079274315

Least Common Multiple (LCM) of 73455 and 73465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73455 and 73465. First we will calculate the prime factors of 73455 and 73465.

Prime Factorization of 73455

Prime factors of 73455 are 3, 5, 59, 83. Prime factorization of 73455 in exponential form is:

73455 = 31 × 51 × 591 × 831

Prime Factorization of 73465

Prime factors of 73465 are 5, 7, 2099. Prime factorization of 73465 in exponential form is:

73465 = 51 × 71 × 20991

Now multiplying the highest exponent prime factors to calculate the LCM of 73455 and 73465.

LCM(73455,73465) = 31 × 51 × 591 × 831 × 71 × 20991
LCM(73455,73465) = 1079274315