Least Common Multiple of 1577 and 1580

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1577 and 1580 the smallest integer that is 2491660 that is divisible by both numbers.

Least Common Multiple (LCM) of 1577 and 1580 is 2491660.

LCM(1577,1580) = 2491660

LCM of 1577 and 1580

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 1577 and 1580

LCM of 1577 and 1580 is 2491660

Least common multiple can be found by multiplying the highest exponent prime factors of 1577 and 1580. First we will calculate the prime factors of 1577 and 1580.

Prime Factorization of 1577


19 1577
83 83
1

Prime factors of 1577 are 19,83. Prime factorization of 1577 in exponential form is:

1577 = 191×831

Prime Factorization of 1580


2 1580
2 790
5 395
79 79
1

Prime factors of 1580 are 2, 5,79. Prime factorization of 1580 in exponential form is:

1580 = 22×51×791

Now multiplying the highest exponent prime factors to calculate the LCM of 1577 and 1580.

LCM(1577,1580) = 22×51×191×791×831
LCM(1577,1580) = 2491660

Factors of 1577

List of positive integer factors of 1577 that divides 1577 without a remainder.

1, 19, 83, 1577

Factors of 1580

List of positive integer factors of 1580 that divides 1580 without a remainder.

1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580

Least Common Multiple of 1577 and 1580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1577 and 1580, than apply into the LCM equation.

GCF(1577,1580) = 1
LCM(1577,1580) = ( 1577 × 1580) / 1
LCM(1577,1580) = 2491660 / 1
LCM(1577,1580) = 2491660

Properties of LCM 1577 and 1580

(i) The LCM of 1580 and 1577 is associative

LCM of 1577 and 1580 = LCM of 1580 and 1577

Frequently Asked Questions on LCM of 1577 and 1580

1. What is the LCM of 1577 and 1580?

Answer: LCM of 1577 and 1580 is 2491660.

2. What are the Factors of 1577?

Answer: Factors of 1577 are 1, 19, 83, 1577. There are 4 integers that are factors of 1577. The greatest factor of 1577 is 1577.

3. What are the Factors of 1580?

Answer: Factors of 1580 are 1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580. There are 12 integers that are factors of 1580. The greatest factor of 1580 is 1580.

4. How to Find the LCM of 1577 and 1580?

Answer:

Least Common Multiple of 1577 and 1580 = 2491660

Step 1: Find the prime factorization of 1577

1577 = 19 x 83

Step 2: Find the prime factorization of 1580

1580 = 2 x 2 x 5 x 79

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2491660 = 2 x 2 x 5 x 19 x 79 x 83

Step 4: Therefore, the least common multiple of 1577 and 1580 is 2491660.