Question

find the prime factorisation using the factor method.​

Answer 1

Answer:

Step 1: Start by dividing the number by the first prime number 2 and continue dividing by 2 until you get a decimal or remainder. Then divide by 3, 5, 7, etc. until the only numbers left are prime numbers. Step 2: Write the number as a product of prime numbers.

Answer 2

Answer:

lets find out the prime factors of 81 through prime factorisation method

_3|_81__

_3|_81__ _3|_27__

_3|_81__ _3|_27__ _3|_9__

_3|_81__ _3|_27__ _3|_9__ _3|_3__

_3|_81__ _3|_27__ _3|_9__ _3|_3__ |_1__

hence the prime factors of 81 are 1,3

other like 9,27 and 81 are its factor

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