# What is the Least Common Multiple of 55 and 62?

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 55 and 62 is 3410.

LCM(55,62) = 3410

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## Least Common Multiple of 55 and 62 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55 and 62, than apply into the LCM equation.

GCF(55,62) = 1
LCM(55,62) = ( 55 × 62) / 1
LCM(55,62) = 3410 / 1
LCM(55,62) = 3410

## Least Common Multiple (LCM) of 55 and 62 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55 and 62. First we will calculate the prime factors of 55 and 62.

### Prime Factorization of 55

Prime factors of 55 are 5, 11. Prime factorization of 55 in exponential form is:

55 = 51 × 111

### Prime Factorization of 62

Prime factors of 62 are 2, 31. Prime factorization of 62 in exponential form is:

62 = 21 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 55 and 62.

LCM(55,62) = 51 × 111 × 21 × 311
LCM(55,62) = 3410