Mathematics>Arithmetic>Playing with Numbers>Prime Factorization

Prime Factorization

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Prime Factorization: Overview

This topic covers concepts such as Prime Factorisation of a Number and Factor Tree.

Important Questions on Prime Factorization

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Mathematics>Playing with Numbers>Prime Factorization> Q 1

$5 \times 2 \times 3 \times 3$ is the prime factorisation of _____

HARD

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Mathematics>Playing with Numbers>Prime Factorization> Q 2

Match the following.

a) $2 \times 2 \times 2 \times 3 \times 3 \times 5$	$1) 180$
b) $2 \times 2 \times 2 \times 3 \times 5 \times 5$	$2) 360$
c) $2 \times 2 \times 3 \times 3 \times 5$	$3) 900$
d) $2 \times 3 \times 3 \times 5 \times 5$	$4) 600$
e) $2 \times 2 \times 3 \times 3 \times 5 \times 5$	$5) 450$

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Mathematics>Playing with Numbers>Prime Factorization> Q 3

Write the prime factorisation of $12 \times 15$ .

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Mathematics>Playing with Numbers>Prime Factorization> Q 4

Write the prime-factorisation for the number $90$ .

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Mathematics>Playing with Numbers>Prime Factorization> Q 5

Write the prime-factorisation for the number $96$ .

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Mathematics>Playing with Numbers>Prime Factorization> Q 6

Write the prime-factorisation for the number $88$ .

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Mathematics>Playing with Numbers>Prime Factorization> Q 7

Write the prime-factorisation for the number $100$ .

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Mathematics>Playing with Numbers>Prime Factorization> Q 8

Write the prime-factorisation for the number $52$ .

EASY

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Mathematics>Playing with Numbers>Prime Factorization> Q 9

Express $65$ as the product of two prime factors and find the missing value.

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Mathematics>Playing with Numbers>Prime Factorization> Q 10

Find the prime factorisation of the following number by division method?

$2304$

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Mathematics>Playing with Numbers>Prime Factorization> Q 11

Find the prime factorisation of the following number by division method?

$980$

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Mathematics>Playing with Numbers>Prime Factorization> Q 12

Find the prime factorisation of the following number by division method?

$172$

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Mathematics>Playing with Numbers>Prime Factorization> Q 13

Find the prime factorisation of the following number by division method?

$210$

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Mathematics>Playing with Numbers>Prime Factorization> Q 14

Find the prime factorisation of the following number by division method?

$48$

EASY

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Mathematics>Playing with Numbers>Prime Factorization> Q 15

Simply and express $\frac{247}{209}$ as a fraction of prime numbers.

EASY

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Mathematics>Playing with Numbers>Prime Factorization> Q 16

Find the largest number that will divide $445, 572$ and $699$ leaving remainders $4, 5$ and $6$ respectively.

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Mathematics>Playing with Numbers>Prime Factorization> Q 17

Express each number as the product of its prime factors. Use repeated division method.

$98$