Help with mathematics (numbers and variables)

Hello :D I have a question, I have gotten home as a homework and I looking someone help who саn do my homework because don't quite understand how this works:

Break the following numbers into the product of their prime factors: 252, 882, 4000 and then:

Find the largest common divisor of 18.24 45, 54, 90
and last but not least:

Determine the least common multiple of
24, 56, 168
12, 18, 60
35, 49, 567

I know it's pretty much ... but I can not keep up on this topic: // well, thanks in advance :)

Note by Daisy Rowley
1 year, 5 months ago

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1 vote

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Comments

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1) 252=22×32×7252 = 2^2 \times 3^2 \times 7

882=2×32×72882 = 2 \times 3^2 \times 7^2

4000=25×524000 = 2^5 \times 5^2

Ram Mohith - 1 year, 5 months ago

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2) 18=2×3×318 = 2 \times 3 \times 3

24=2×2×2×324 = 2 \times 2 \times 2 \times 3

45=3×3×545 = 3 \times 3 \times 5

54=2×3×3×354 = 2 \times 3 \times 3 \times 3

90=2×3×3×590 = 2 \times 3 \times 3 \times 5

Out of all factors 3 is the only common factor. Therefore the highest common factor is 3.

Ram Mohith - 1 year, 5 months ago

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3) LCM of 24,56,168 is 168168

LCM of 12,18,60 is 180180

LCM of 35,49,567 is 1039510395

Ram Mohith - 1 year, 5 months ago

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