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What is the Least Common Multiple of 4646 and 4665?

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 4646 and 4665 is 21673590.

LCM(4646,4665) = 21673590

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Least Common Multiple of 4646 and 4665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4646 and 4665, than apply into the LCM equation.

GCF(4646,4665) = 1
LCM(4646,4665) = ( 4646 × 4665) / 1
LCM(4646,4665) = 21673590 / 1
LCM(4646,4665) = 21673590

Least Common Multiple (LCM) of 4646 and 4665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4646 and 4665. First we will calculate the prime factors of 4646 and 4665.

Prime Factorization of 4646

Prime factors of 4646 are 2, 23, 101. Prime factorization of 4646 in exponential form is:

4646 = 21 × 231 × 1011

Prime Factorization of 4665

Prime factors of 4665 are 3, 5, 311. Prime factorization of 4665 in exponential form is:

4665 = 31 × 51 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 4646 and 4665.

LCM(4646,4665) = 21 × 231 × 1011 × 31 × 51 × 3111
LCM(4646,4665) = 21673590