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Q: What is the HCF of 2 and an even number?

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To have a HCF, you need at least 2 numbers. There is no HCF in just 1 number.

The GCF of consecutive even numbers is 2.

The GCF is 2.

Yes: product of a & b = LCM x HCF so b = (LCM x HCF)/a

Two numbers that are 2 apart cannot both be multiples of 3 or greater, as there would not be enough space to add the amount on to the lower number. Thus the greatest possible common factor would be 2. Both of the numbers are even, and so can divide by two. Thus we know the HCF of two consecutive even numbers must be 2.

The GCF is 2.

The GCF is 2.

The hcf is 2

Their HCF is 2

Their HCF is 2

The HCF is 125

The HCF is 2

2 actually it also can be 4

HCF(54, 16) = 2

The HCF of 38 and 40 is 2

The HCF of 34 and 96 is 2

The answer is as follows:The prime factorisation of the two number is:18 = 2*3*324 = 2*2*2*3The HCF is the product every number which appears in both lists (repeated appearances mean repeated inclusion in HCF):HCF = 2*3 = 6

1. HCF by factorisation Method: HCF is the product of common factors of all the numbers. Example: HCF of 24, 48, 60 First find the prime factors of these numbers 2 |24 2|48 2|60 24= 2*2*2*3 2|12 2|24 2|30 48= 2*2*2*2*3 2|6 2|12 3|15 60= 2*2*3*5 3|3 2|6 5|5 HCF= 2*2*3=12 |1 3|3 |1 |1 2. Division Method: Divide the larger number by the smaller number. Now divide the devisor by the remainder. Continue the process till the remainder is zero. Now this last devisor is the HCF of those two numbers. Repeat the process between this HCF and the other number. 48)60(1 48 12)48(4 48 0 12)60(5 60 0 Ans: 12

The GCF is 2.

The GCF is 2.

2 and 0 do not have a Highest Common Factor. This is because no number goes into 0.

The GCF is 2.

The GCF is 2.

The highest common factor of 2 and 4 is 2. The number 2 is a factor of 4.

It is a trick question. The answer is 2. 2 is an even number. 2 is also a prime number but the only even prime number making it odd.