Find by prime factorisation the LCM of the numbers 18180 and 7575. Also, find the HCF of the two numbers.... | SA 3m | Maths | SuperPadhai

Real Numbers > Question

SA3 marksYear: 2023EasyCBSE Class 10

real-numbersprime-factorisationlcmhcf

Question

Find by prime factorisation the LCM of the numbers 18180 and 7575. Also, find the HCF of the two numbers.

Solution

1

18180 = 2^{2} \times 3^{2} \times 5 \times 101

+0.5 marks

2

7575 = 3 \times 5^{2} \times 101

+0.5 marks

3

LCM = 2^{2} \times 3^{2} \times 5^{2} \times 101 = 90900

+1 mark

4

HCF = 3 \times 5 \times 101 = 1515

+1 mark

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