To find the lowest common multiple (LCM) of two numbers, you first need to find the prime factors of each number. The prime factors of 154 are 2, 7, and 11, while the prime factors of 231 are 3, 7, and 11. To calculate the LCM, you multiply each prime factor the greatest number of times it occurs in either number: 2 x 3 x 7 x 11 = 462. Therefore, the lowest common multiple of 154 and 231 is 462.
The greatest common factor of 231 and 154 is 77.
The GCF is 77.
The GCF is 21.
The GCF is 33.
The GCF of 242, 231 is 11.
The GCF of 60 and 231 is 3
The GCF of 180 and 231 is 3.
The GCF is 7.
The GCF is 14.
The GCF is 14.
The GCF is 14.