15 and 30 are common multiples of 3 and 5.
They are: 7 14 21 28 and 35
3 and 5 are factors of 15. 15 is a common multiple of 3 and 5.
The least common multiple of 3, 5, and 11 is 165.
15 is a multiple of 3. 15 is a multiple of 5. That makes it a common multiple of 3 and 5.
Greatest Common Divisor (GCD) for 5 3 is 1.
Factors of 81 are [3 3 3 3] Factors of 75 are [3 5 5] Common factors [3] ■
45 is the least common multiple of 3, 5 and 9.
3 To clarify: The prime factors of 45 are 3, 3, and 5 (or 32, 5.) The prime factors of 60 are 2, 2, 3, and 5 (or 22, 3, 5.) Therefore, the common factors are 1, 3, 5, and 15, while the common prime factors are only 3 and 5.
The common factors of 25 and 45 are: 1 and 5
The least common denominator of the fractions 3/5 and 5/12 is 60.
Fifteen is the least common multiple of three and five. 3 * 5 = 15 5 * 3 = 15