Question

45 and 30 find the hcf by prime factorization​

Answer 1

Answer:

Step-by-step explanation: 45=3×3×5

30=2×3×5

Hcf=3×5=15

Answer 2

Answer:

45=(5)(3)(3)

30=(2)(3)(5)

HCF=(3)(5)

=15

therefore HCF of 45 and 30 is 15

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