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Which of the following must be true about the group?

I. HCF of the four numbers of the group is .either 1 or equal to that primenumber.

II. LCM of the four numbers of the group is same as product of the prime number and LCM of the remaining threenumbers.

III.

Product of four numbers is equal to product of the prime number * HCF of the group * LCM of the group

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