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What is the Least Common Multiple of 74646 and 74665?

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 74646 and 74665 is 5573443590.

LCM(74646,74665) = 5573443590

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Least Common Multiple of 74646 and 74665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74646 and 74665, than apply into the LCM equation.

GCF(74646,74665) = 1
LCM(74646,74665) = ( 74646 × 74665) / 1
LCM(74646,74665) = 5573443590 / 1
LCM(74646,74665) = 5573443590

Least Common Multiple (LCM) of 74646 and 74665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74646 and 74665. First we will calculate the prime factors of 74646 and 74665.

Prime Factorization of 74646

Prime factors of 74646 are 2, 3, 11, 13, 29. Prime factorization of 74646 in exponential form is:

74646 = 21 × 32 × 111 × 131 × 291

Prime Factorization of 74665

Prime factors of 74665 are 5, 109, 137. Prime factorization of 74665 in exponential form is:

74665 = 51 × 1091 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 74646 and 74665.

LCM(74646,74665) = 21 × 32 × 111 × 131 × 291 × 51 × 1091 × 1371
LCM(74646,74665) = 5573443590