Advertisements
Advertisements
प्रश्न
Find the L.C.M. and H.C.F. of 408 and 170 by applying the fundamental theorem of Arithmetic
Advertisements
उत्तर
Factorise 408 and 170 by factor tree method
408 = 23 × 3 × 17
170 = 2 × 5 × 17
To find L.C.M. list all prime factors of 408 and 170 of their greatest exponents.
L.C.M. = 23 × 3 × 5 × 17
= 2040
To find the H.C.F. list all common factors of 408 and 170.
H.C.F. = 2 × 17 = 34
L.C.M. = 2040 ; HCF = 34
APPEARS IN
संबंधित प्रश्न
A merchant has 120 liters of oil of one kind, 180 liters of another kind and 240 liters of third kind. He wants to sell the oil by filling the three kinds of oil in tins of equal capacity. What should be the greatest capacity of such a tin?
Write the sum of the exponents of prime factors in the prime factorization of 98.
Express the number as a product of its prime factor:
3825
Express the number as a product of its prime factor:
5005
Find the LCM and HCF of the following integers by applying the prime factorisation method.
8, 9 and 25
For some integer p, every odd integer is of the form ______.
The largest number which divides 60 and 75, leaving remainders 8 and 10 respectively, is ______.
Can two numbers have 18 as their HCF and 380 as their LCM? Give reasons.
Show the 6n cannot end with digit 0 for any natural number 'n'.
The mean of first ten natural numbers is ______.
