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An HCF is the product of any common prime factors of two numbers. If two numbers have no common prime factors, then the HCF will be 1.
For example, 10 and 21. The prime factors are 2x5 and 3x7. There is nothing in common, and so the HCF of 10 and 21 is 1.
Two consecutive numbers will always have the HCF of 1.
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What is the HCF of 16 and 3?
The GCF is 1.
What is the HCF of 24 and 5?
The GCF is 1.
What is the HCF of 26 and 45?
HCF(26, 45) = 1. The numbers are co-prime.
What goes into 63 and 8?
The HCF of both numbers is 1
Can the HCF of two numbers be a factor of their LCM?
The HCF is always a factor of the LCM of two numbers. The HCF is a factor of both the numbers which are factors of their LCM. Thus the HCF is also a factor of the LCM of the two numbers.
Is the HCF of two numbers ever 1?
The HCF is the largest number that both numbers can be divided by. If the HCF is 1, that would suggest that the two numbers share no prime factors. Thus, any two numbers which are coprime will have an HCF of 1. Consecutive numbers are good examples here - 15 and 16, 27 and 28, 104 and 105, all have an HCF of 1.
What is the HCF of 680?
To have a HCF, you need at least 2 numbers. There is no HCF in just 1 number.
What is the hcf of 21 5 and 3?
The HCF of the given numbers is 1
What is the HCF of 16 and 3?
The GCF is 1.
What is the HCF of 24 and 5?
The GCF is 1.
What is the HCF and LCM of the numbers 526 and 213?
hcf: 1 lcm: 112,038
What is the HCF of 26 and 45?
HCF(26, 45) = 1. The numbers are co-prime.
What is HCF of two consequtive numbers?
It is: 1
What will be the HCF of two consecutive numbers?
It will be 1
What is the HCF of two prime numbers?
1
Hcf of two consecutive numbers?
Will be 1
What numbers can go into 14 and 25?
The HCF of both numbers is 1
