Advertisements
Advertisements
प्रश्न
Find the LCM and HCF of the following integers by applying the prime factorisation method:
24, 15 and 36
उत्तर
24, 15 and 36
Let us first find the factors of 24, 15 and 36.
`24=2^3xx3`
`15=3xx5`
`36=2^2xx3^2`
L.C.M of 24,15 and 36=`2^2xx3^2xx5`
L.C.F of 24,15 and 36 =360
H.C.F of 24 ,15 and 36 =3
APPEARS IN
संबंधित प्रश्न
Find the LCM and HCF of the following integers by applying the prime factorisation method:
84, 90 and 120
Write down the decimal expansions of the following rational numbers by writing their denominators in the form 2m × 5n, where, m, n are non-negative integers. \[\frac{3}{8}\]
The number in the form of 4p + 3, where p is a whole number, will always be ______.
If LCM(x, 18) = 36 and HCF(x, 18) = 2, then x is ______.
Explain why 3 × 5 × 7 + 7 is a composite number.
If two positive integers a and b are written as a = x3 y2 and b = xy3; x, y are prime numbers, then HCF (a, b) is ______.
Find the HCF and LCM of 26, 65 and 117, using prime factorisation.
The LCM of smallest 2-digit number and smallest composite number is ______.
(HCF × LCM) for the numbers 30 and 70 is ______.
If HCF (72, 120) = 24, then LCM (72, 120) is ______.
