What is the common factor of 15?
What is the common factor of 15?
HCF Example The factors of 15 are : 1, 3, 5, 15. 1 and 3 are the only common factors (numbers which are factors of both 12 and 15).
What is the HCF of 15 and 30?
What is the greatest common factor of 15 and 30? The common factors of 15 and 30 are 1, 3, 5, and 15. The greatest common factor is 15.
What are the 4 factors of 15?
Table of Factors and Multiples
Factors | Multiples | |
---|---|---|
1, 3, 5, 15 | 15 | 135 |
1, 2, 4, 8, 16 | 16 | 144 |
1, 17 | 17 | 153 |
1, 2, 3, 6, 9, 18 | 18 | 162 |
What are 2 factors of 15?
We know that the factors of 15 are 1, 3, 5, and 15. Now, out of these the prime factors of 15 are 3 and 5.
What is the factor of 9 and 15?
So the greatest common factor 9 and 15 is 3.
What is the LCM for 15 and 9?
What is the Least Common Multiple of 9 and 15? Least common multiple (LCM) of 9 and 15 is 45.
What is the HCF of 9 15 and 24?
There is one 3 in 24 and in 15 and two in 9 – so one 3 is common to all three numbers. There is a 5 in 15 but not in 9 or 24, so the GCF doesn’t have a 5. And there are no more prime numbers. This means our GCF = 3.
What is the HCF of 69?
1, 3, 23
What is the HCF of 75 69?
Final Step: Biggest Common Factor Number We found the factors and prime factorization of 69 and 75. The biggest common factor number is the GCF number. So the greatest common factor 69 and 75 is 3.
What is the LCM of 75 and 69?
Least common multiple (LCM) of 69 and 75 is 1725.
Why 69 is not a prime number?
For 69 to be a prime number, it would have been required that 69 has only two divisors, i.e., itself and 1. However, 69 is a semiprime (also called biprime or 2-almost-prime), because it is the product of a two non-necessarily distinct prime numbers. Indeed, 69 = 3 x 23, where 3 and 23 are both prime numbers.
Is 29 a prime number?
29 is a prime number from 1-100. 29 has 2 factors, 1 and 29.
Is 69 a composite number?
The number 69 is a composite number. Its factors are 1, 3, 23, and 69.
What are the factors of 14?
Factors of 14: 1, 2, 7, 14. Factors of 15: 1, 3, 5, 15. Factors of 16: 1, 2, 4, 8, 16.
What are 2 factors of 14?
The prime factors of 14 are 2 and 7. 3. What are the factors of 14 and 16? The factors of 14 = 1, 2, 7, and 14.
What are the first 5 multiples of 14?
First five multiples of 14: 14, 28, 42, 56 and 70.
What is the greatest common factor of 14?
Answer: Factors of 14 are 1, 2, 7, 14. There are 4 integers that are factors of 14. The greatest factor of 14 is 14.
What is the HCF of 14 and 21?
7
What is a GCF of 14 and 21?
Greatest common factor (GCF) of 14 and 21 is 7. We will now calculate the prime factors of 14 and 21, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 14 and 21.
What is the GCF of 10?
The Greatest Common Factor (GCF) of some numbers, is the largest number that divides evenly into all of the numbers. Like, the GCF of 10,15, and 25 is 5. Type some numbers into the box to the right, and this page will find the GCF of those numbers.
What is the GCF of 9 and 18?
Greatest common factor (GCF) of 9 and 18 is 9.
What is the GCF of 30 18?
6