आप सवाल निर्दिष्ट कर सकता है। And I Think The Language You Typed Is Hindi.
No, that is not an onomatopoeia. That's more personification. Onomatopoeias are usually the sound the object makes. For example, "buzz!" is an onomatopoeia of a bee or a bug. You could phrase your sentence like this instead: "Crash!! The meteoroids slammed against the earth's surface." In this sentence, "crash!" would be the onomatopoeia.
The greatest common factor of them all is six