LCM for 77 and 161
What's the Least Common Multiple (LCM) of 77 and 161?
(One thousand, seven hundred seventy-one)
Finding LCM for 77 and 161 using GCF's of these numbers
The first method to find LCM for numbers 77 and 161 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 77 and 161 is 7, so
LCM = (77 × 161) ÷ 7
LCM = 12397 ÷ 7
LCM = 1771
Finding LCM for 77 and 161 by Listing Multiples
The second method to find LCM for numbers 77 and 161 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 77: 77, 154, 231, 308, 385, 462, 539, 616, 693, 770, 847, 924, 1001, 1078, 1155, 1232, 1309, 1386, 1463, 1540, 1617, 1694, 1771, 1848, 1925
Multiples of 161: 161, 322, 483, 644, 805, 966, 1127, 1288, 1449, 1610, 1771, 1932, 2093
So the LCM for 77 and 161 is 1771
Finding LCM for 77 and 161 by Prime Factorization
Another method to find LCM for numbers 77 and 161 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 77: 7, 11 (exponent form: 71, 111)
All Prime Factors of 161: 7, 23 (exponent form: 71, 231)
71 × 111 × 231 = 1771
See Also
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
<a href="https://calculat.io/en/number/least-common-multiple-lcm-of/77--161">What is the LCM of 77 and 161? - Calculatio</a>
LCM Table
| Number 1 | Number 2 | LCM |
|---|---|---|
| 62 | 161 | 9982 |
| 63 | 161 | 1449 |
| 64 | 161 | 10304 |
| 65 | 161 | 10465 |
| 66 | 161 | 10626 |
| 67 | 161 | 10787 |
| 68 | 161 | 10948 |
| 69 | 161 | 483 |
| 70 | 161 | 1610 |
| 71 | 161 | 11431 |
| 72 | 161 | 11592 |
| 73 | 161 | 11753 |
| 74 | 161 | 11914 |
| 75 | 161 | 12075 |
| 76 | 161 | 12236 |
| 77 | 161 | 1771 |
| 78 | 161 | 12558 |
| 79 | 161 | 12719 |
| 80 | 161 | 12880 |
| 81 | 161 | 13041 |
| 82 | 161 | 13202 |
| 83 | 161 | 13363 |
| 84 | 161 | 1932 |
| 85 | 161 | 13685 |
| 86 | 161 | 13846 |
| 87 | 161 | 14007 |
| 88 | 161 | 14168 |
| 89 | 161 | 14329 |
| 90 | 161 | 14490 |
| 91 | 161 | 2093 |
About "Least Common Multiple" Calculator
Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers